diff --git a/hwe/sammo/GameUnitConstBase.php b/hwe/sammo/GameUnitConstBase.php
index 9887f2b3..5ed2cc98 100644
--- a/hwe/sammo/GameUnitConstBase.php
+++ b/hwe/sammo/GameUnitConstBase.php
@@ -21,8 +21,6 @@ class GameUnitConstBase{
 
     protected static $constID = [];
     protected static $constName = [];
-    protected static $constCity = [];
-    protected static $constRegion = [];
     protected static $constType = [];
 
     protected static $typeData = [
@@ -357,22 +355,6 @@ class GameUnitConstBase{
             static::$constType[$unitType->armType] = [];
         }
         static::$constType[$unitType->armType][] = $unitType;
-
-        foreach($unitType->reqCities as $reqCity){
-            if(!key_exists($reqCity, static::$constCity)){
-                static::$constCity[$reqCity] = [];
-            }
-            static::$constCity[$reqCity][] = $unitType;
-        }
-
-        if($unitType->reqRegions){
-            foreach($unitType->reqRegions as $reqRegion){
-                if(!key_exists($reqRegion, static::$constRegion)){
-                    static::$constRegion[$reqRegion] = [];
-                }
-                static::$constRegion[$reqRegion][] = $unitType;
-            }
-        }
     }
 
     /**
@@ -400,22 +382,6 @@ class GameUnitConstBase{
         return static::$constName[$name]??null;
     }
 
-    /**
-     * @return \sammo\GameUnitDetail[]
-     */
-    public static function byCity(int $city): array{
-        static::_generate();
-        return static::$constCity[$city]??[];
-    }
-
-    /**
-     * @return \sammo\GameUnitDetail[]
-     */
-    public static function byRegion(int $region): array{
-        static::_generate();
-        return static::$constRegion[$region]??[];
-    }
-
 
     /**
      * @return \sammo\GameUnitDetail[]
@@ -435,14 +401,12 @@ class GameUnitConstBase{
 
     protected static function _generate(){
 
-        if(static::$constID || static::$constName || static::$constCity || static::$constRegion || static::$constType){
+        if(static::$constID || static::$constName || static::$constType){
             return;
         }
 
         $constID = [];
         $constName = [];
-        $constCity = [];
-        $constRegion = [];
         $constType = [];
 
         foreach(static::$_buildData as $rawUnit){
@@ -457,10 +421,7 @@ class GameUnitConstBase{
                 $magicCoef,
                 $cost,
                 $rice,
-                $reqTech,
-                $reqCities,
-                $reqRegions,
-                $reqYear,
+                $reqConstraints,
                 $attackCoef,
                 $defenceCoef,
                 $info,
@@ -469,21 +430,9 @@ class GameUnitConstBase{
                 $iActionList,
              ] = $rawUnit;
 
-            if($reqYear > 0){
-                $info[] = "{$reqYear}년 경과 후 사용 가능";
-            }
-
-            $constraints = [];
-            if($reqTech > 0){
-                $constraints[] = GameUnitConstraintHelper::ReqTech($reqTech);
-            }
-
-            if($reqCities !== null){
-                $constraints[] = GameUnitConstraintHelper::ReqCities($reqCities);
-            }
-
-            if($reqRegions !== null){
-                $constraints[] = GameUnitConstraintHelper::ReqRegions($reqRegions);
+            foreach($reqConstraints as $value){
+                /** @var GameUnitConstraint\BaseGameUnitConstraint $value */
+                $info[] = $value->getInfo();
             }
 
             $unit = new GameUnitDetail(
@@ -498,14 +447,12 @@ class GameUnitConstBase{
                 $cost,
                 $rice,
                 $reqConstraints,
-                $reqYear,
                 $attackCoef,
                 $defenceCoef,
                 $info,
                 $initSkillTrigger,
                 $phaseSkillTrigger,
-                $iActionList,
-                $constraints
+                $iActionList
             );
 
             $constID[$id] = $unit;
@@ -515,31 +462,10 @@ class GameUnitConstBase{
             }
             $constType[$armType][$id] = $unit;
 
-            if($unit->reqCities){
-                foreach($unit->reqCities as $reqCity){
-                    if(!key_exists($reqCity, $constCity)){
-                        $constCity[$reqCity] = [];
-                    }
-                    $constCity[$reqCity][$id] = $unit;
-                }
-            }
-
-
-            if($unit->reqRegions){
-                foreach($unit->reqRegions as $reqRegion){
-                    if(!key_exists($reqRegion, $constRegion)){
-                        $constRegion[$reqRegion] = [];
-                    }
-                    $constRegion[$reqRegion][$id] = $unit;
-                }
-            }
-
         }
 
         static::$constID = $constID;
         static::$constName = $constName;
-        static::$constCity = $constCity;
-        static::$constRegion = $constRegion;
         static::$constType = $constType;
 
         static::_generateOptional();
diff --git a/hwe/sammo/GameUnitConstraint/BaseGameUnitConstraint.php b/hwe/sammo/GameUnitConstraint/BaseGameUnitConstraint.php
new file mode 100644
index 00000000..87d38b74
--- /dev/null
+++ b/hwe/sammo/GameUnitConstraint/BaseGameUnitConstraint.php
@@ -0,0 +1,11 @@
+<?php
+
+namespace sammo\GameUnitConstraint;
+
+use sammo\General;
+
+abstract class BaseGameUnitConstraint {
+    public abstract function test(General $general, array $ownCities, array $ownRegions, int $relativeYear, int $tech, array $nationAux): bool;
+
+    public abstract function getInfo(): string;
+}
\ No newline at end of file
diff --git a/hwe/sammo/GameUnitConstraint/GameUnitConstraint.php b/hwe/sammo/GameUnitConstraint/GameUnitConstraint.php
deleted file mode 100644
index 06c0cc86..00000000
--- a/hwe/sammo/GameUnitConstraint/GameUnitConstraint.php
+++ /dev/null
@@ -1,14 +0,0 @@
-<?php
-
-namespace sammo\GameUnitConstraint;
-
-use sammo\General;
-use sammo\KVStorage;
-
-abstract class GameUnitConstraint {
-    private function __construct()
-    {
-    }
-
-    public abstract function test(General $general, KVStorage $env): bool;
-}
\ No newline at end of file
diff --git a/hwe/sammo/GameUnitConstraint/ReqCities.php b/hwe/sammo/GameUnitConstraint/ReqCities.php
new file mode 100644
index 00000000..a213f325
--- /dev/null
+++ b/hwe/sammo/GameUnitConstraint/ReqCities.php
@@ -0,0 +1,36 @@
+<?php
+
+namespace sammo\GameUnitConstraint;
+
+use sammo\CityConst;
+use sammo\General;
+
+class ReqCities extends BaseGameUnitConstraint {
+
+    public function __construct(protected array $reqCities)
+    {
+    }
+
+    public function test(General $general, array $ownCities, array $ownRegions, int $relativeYear, int $tech, array $nationAux): bool
+    {
+        foreach ($this->reqCities as $city) {
+            if (key_exists($city, $ownCities)) {
+                return true;
+                break;
+            }
+        }
+
+        return false;
+    }
+
+    public function getInfo(): string
+    {
+        $cityNames = [];
+        foreach ($this->reqCities as $city) {
+            $cityNames[] = CityConst::byID($city)->name;
+        }
+
+        $cityNameText = implode(', ', $cityNames);
+        return "{$cityNameText} 소유시 가능";
+    }
+}
\ No newline at end of file
diff --git a/hwe/sammo/GameUnitConstraint/ReqMinRelYear.php b/hwe/sammo/GameUnitConstraint/ReqMinRelYear.php
new file mode 100644
index 00000000..d70444c6
--- /dev/null
+++ b/hwe/sammo/GameUnitConstraint/ReqMinRelYear.php
@@ -0,0 +1,44 @@
+<?php
+
+namespace sammo\GameUnitConstraint;
+
+use sammo\General;
+
+class ReqMinRelYear extends BaseGameUnitConstraint {
+
+    public function __construct(protected int $reqMinRelYear)
+    {
+    }
+
+    public function test(General $general, array $ownCities, array $ownRegions, int $relativeYear, int $tech, array $nationAux): bool
+    {
+        return $relativeYear >= $this->reqMinRelYear;
+    }
+
+    public function getInfo(): string
+    {
+        return "{$this->reqMinRelYear}년 경과 후 사용 가능";
+    }
+}
+
+/*
+
+            if($reqTech > 0){
+                $info[] = "기술력 {$reqTech} 이상 필요";
+            }
+
+            if($reqCities !== null){
+                $reqCities = array_map(function($reqCity) use (&$info){
+                    $info[] = "{$reqCity} 소유시 가능";
+                    return CityConst::byName($reqCity)->id;
+                }, $reqCities);
+            }
+
+            if($reqRegions !== null){
+                $reqRegions = array_map(function($reqRegion) use (&$info){
+                    $info[] = "{$reqRegion} 지역 소유시 가능";
+                    return CityConst::$regionMap[$reqRegion];
+                }, $reqRegions);
+            }
+
+*/
\ No newline at end of file
diff --git a/hwe/sammo/GameUnitConstraint/ReqRegions.php b/hwe/sammo/GameUnitConstraint/ReqRegions.php
new file mode 100644
index 00000000..638b7059
--- /dev/null
+++ b/hwe/sammo/GameUnitConstraint/ReqRegions.php
@@ -0,0 +1,36 @@
+<?php
+
+namespace sammo\GameUnitConstraint;
+
+use sammo\CityConst;
+use sammo\General;
+
+class ReqRegions extends BaseGameUnitConstraint {
+
+    public function __construct(protected array $reqRegions)
+    {
+    }
+
+    public function test(General $general, array $ownCities, array $ownRegions, int $relativeYear, int $tech, array $nationAux): bool
+    {
+        foreach ($this->reqRegions as $region) {
+            if (key_exists($region, $ownRegions)) {
+                return true;
+                break;
+            }
+        }
+
+        return false;
+    }
+
+    public function getInfo(): string
+    {
+        $regionNames = [];
+        foreach ($this->reqRegions as $region) {
+            $regionNames[] = CityConst::$regionMap[$region];
+        }
+
+        $regionNameText = implode(', ', $regionNames);
+        return "{$regionNameText} 지역 소유시 가능";
+    }
+}
\ No newline at end of file
diff --git a/hwe/sammo/GameUnitConstraint/ReqTech.php b/hwe/sammo/GameUnitConstraint/ReqTech.php
new file mode 100644
index 00000000..e5d48319
--- /dev/null
+++ b/hwe/sammo/GameUnitConstraint/ReqTech.php
@@ -0,0 +1,25 @@
+<?php
+
+namespace sammo\GameUnitConstraint;
+
+use sammo\General;
+use sammo\KVStorage;
+
+class ReqTech extends BaseGameUnitConstraint {
+
+    public function __construct(protected int $reqTech)
+    {
+    }
+
+    public function test(General $general, array $ownCities, array $ownRegions, int $relativeYear, int $tech, array $nationAux): bool
+    {
+        if ($tech < $this->reqTech) {
+            return false;
+        }
+    }
+
+    public function getInfo(): string
+    {
+        return "기술력 {$this->reqTech} 이상 필요";
+    }
+}
\ No newline at end of file
diff --git a/hwe/sammo/GameUnitConstraintHelper.php b/hwe/sammo/GameUnitConstraintHelper.php
deleted file mode 100644
index 3341e4f8..00000000
--- a/hwe/sammo/GameUnitConstraintHelper.php
+++ /dev/null
@@ -1,26 +0,0 @@
-<?php
-
-namespace sammo;
-
-class GameUnitConstraintHelper {
-
-    static function ReqTech(int $reqTech): array {
-        return [__FUNCTION__, $reqTech];
-    }
-
-    static function ReqCities(array $reqCities): array {
-        return [__FUNCTION__, $reqCities];
-    }
-
-    static function ReqRegions(array $reqRegions): array {
-        return [__FUNCTION__, $reqRegions];
-    }
-
-    static function ReqMinYear(int $reqMinYear): array {
-        return [__FUNCTION__, $reqMinYear];
-    }
-}
-
-namespace sammo\Constraint;
-
-
diff --git a/hwe/sammo/GameUnitDetail.php b/hwe/sammo/GameUnitDetail.php
index da2b48a9..9b2fcd57 100644
--- a/hwe/sammo/GameUnitDetail.php
+++ b/hwe/sammo/GameUnitDetail.php
@@ -2,7 +2,7 @@
 
 namespace sammo;
 
-use sammo\GameUnitConstraint\GameUnitConstraint;
+use sammo\GameUnitConstraint\BaseGameUnitConstraint;
 
 class GameUnitDetail implements iAction
 {
@@ -18,19 +18,16 @@ class GameUnitDetail implements iAction
     public $magicCoef;
     public $cost;
     public $rice;
-    public $reqTech;
-    public $reqCities;
-    public $reqRegions;
-    public $reqYear;
     public $attackCoef;
     public $defenceCoef;
-    public $info;
     public $initSkillTrigger;
     public $phaseSkillTrigger;
     /** @var iAction[]|null iActionList */
     public $iActionList;
     public array $reqConstraints;
 
+    protected ?string $info;
+
     public function __construct(
         int $id,
         int $armType,
@@ -45,7 +42,6 @@ class GameUnitDetail implements iAction
         array $reqConstraints,
         array $attackCoef,
         array $defenceCoef,
-        array $info,
         ?array $initSkillTrigger,
         ?array $phaseSkillTrigger,
         ?array $iActionList,
@@ -63,7 +59,6 @@ class GameUnitDetail implements iAction
         $this->reqConstraints = $reqConstraints;
         $this->attackCoef = $attackCoef;
         $this->defenceCoef = $defenceCoef;
-        $this->info = $info;
         $this->initSkillTrigger = $initSkillTrigger;
         $this->phaseSkillTrigger = $phaseSkillTrigger;
         $this->iActionList = [];
@@ -78,7 +73,16 @@ class GameUnitDetail implements iAction
 
     public function getInfo(): string
     {
-        return join("\n<br>", $this->info);
+        if($this->info !== null){
+            return $this->info;
+        }
+
+        $info = [];
+        foreach ($this->reqConstraints as $constraint) {
+            $info[] = $constraint->getInfo();
+        }
+        $this->info = join("\n<br>", $info);
+        return $this->info;
     }
 
     public function getShortName(): string
@@ -195,8 +199,10 @@ class GameUnitDetail implements iAction
         //음수 없음
         $relativeYear = max(0, $relativeYear);
 
-        if ($relativeYear < $this->reqYear) {
-            return false;
+        foreach($this->reqConstraints as $constraint){
+            if(!$constraint->test($ownCities, $ownRegions, $relativeYear, $tech)){
+                return false;
+            }
         }
 
         if ($tech < $this->reqTech) {