diff --git a/hwe/func_command.php b/hwe/func_command.php
index 8b20b672..7ad5c7f5 100644
--- a/hwe/func_command.php
+++ b/hwe/func_command.php
@@ -217,6 +217,7 @@ function checkCommandArg(?array $arg):?string{
         'integer'=>[
             'crewType', 'destGeneralID', 'destCityID', 'destNationID',
             'amount', 'colorType',
+            'srcArmType', 'destArmType', //숙련전환 전용
         ],
         'boolean'=>[
             'isGold', 'buyRice',
diff --git a/hwe/js/processing.js b/hwe/js/processing.js
index aeeeeda4..365866da 100644
--- a/hwe/js/processing.js
+++ b/hwe/js/processing.js
@@ -43,6 +43,7 @@ window.submitAction = function(){
             'crewType', 'destGeneralID', 'destCityID', 'destNationID',
             'amount', 'colorType', 
             'year', 'month',
+            'srcArmType', 'destArmType', //숙련전환 전용
         ],
         'boolean':[
             'isGold', 'buyRice',
diff --git a/hwe/sammo/Command/General/che_숙련전환.php b/hwe/sammo/Command/General/che_숙련전환.php
new file mode 100644
index 00000000..a9ad4278
--- /dev/null
+++ b/hwe/sammo/Command/General/che_숙련전환.php
@@ -0,0 +1,217 @@
+<?php
+namespace sammo\Command\General;
+
+use \sammo\{
+    DB, Util, JosaUtil, Session, KVStorage,
+    General, 
+    ActionLogger,
+    GameConst, GameUnitConst,
+    LastTurn,
+    Command,
+    ServConfig
+};
+
+
+use function \sammo\{
+    getDexCall,
+    getTechCall,
+    tryUniqueItemLottery,
+    getTechAbil
+};
+
+use \sammo\Constraint\Constraint;
+use \sammo\Constraint\ConstraintHelper;
+
+
+
+class che_숙련전환 extends Command\GeneralCommand{
+    static protected $actionName = '숙련전환';
+    static public $reqArg = true;
+
+    /** @var int */
+    protected $srcArmType;
+    /** @var string */
+    protected $srcArmTypeName;
+    /** @var int */
+    protected $destArmType;
+    /** @var string */
+    protected $destArmTypeName;
+    
+    protected function argTest():bool{
+        if($this->arg === null){
+            return false;
+        }
+        if(!key_exists('srcArmType', $this->arg)){
+            return false;
+        }
+        if(!key_exists('destArmType', $this->arg)){
+            return false;
+        }
+        $srcArmType = $this->arg['srcArmType'];
+        $destArmType = $this->arg['destArmType'];
+
+        if(!is_int($srcArmType)){
+            return false;
+        }
+        if(!key_exists($srcArmType, GameUnitConst::allType())){
+            return false;
+        }
+
+        if(!is_int($destArmType)){
+            return false;
+        }
+        if(!key_exists($destArmType, GameUnitConst::allType())){
+            return false;
+        }
+
+        if($srcArmType === $destArmType){
+            return false;
+        }
+
+        $this->arg = [
+            'srcArmType'=>$srcArmType,
+            'destArmType'=>$destArmType
+        ];
+        return true;
+    }
+
+    protected function init(){
+        $general = $this->generalObj;
+
+        $this->setCity();
+        $this->setNation();
+
+        $this->srcArmType = $this->arg['srcArmType'];
+        $this->srcArmTypeName = GameUnitConst::allType()[$this->srcArmType];
+        $this->destArmType = $this->arg['destArmType'];
+        $this->destArmTypeName = GameUnitConst::allType()[$this->destArmType];
+        
+
+        [$reqGold, $reqRice] = $this->getCost();
+        
+        $this->runnableConstraints=[
+            ConstraintHelper::NotBeNeutral(), 
+            ConstraintHelper::OccupiedCity(),
+            ConstraintHelper::ReqGeneralGold($reqGold),
+            ConstraintHelper::ReqGeneralRice($reqRice),
+        ];
+
+    }
+
+    public function getBrief():string{
+        return "【{$this->srcArmTypeName}】숙련을 【{$this->destArmTypeName}】숙련으로 전환";
+
+    }
+
+    public function getCommandDetailTitle():string{
+        $name = $this->getName();
+        [$reqGold, $reqRice] = $this->getCost();
+
+        $title = "{$name}(통솔경험";
+        if($reqGold > 0){
+            $title .= ", 자금{$reqGold}";
+        }
+        if($reqRice > 0){
+            $title .= ", 군량{$reqRice}";
+        }
+        $title .= ')';
+        return $title;
+    }
+
+    public function getCost():array{
+        $env = $this->env;
+        return [$env['develcost'], $env['develcost']];
+    }
+    
+    public function getPreReqTurn():int{
+        return 0;
+    }
+
+    public function getPostReqTurn():int{
+        return 0;
+    }
+
+    public function run():bool{
+        if(!$this->isRunnable()){
+            throw new \RuntimeException('불가능한 커맨드를 강제로 실행 시도');
+        }
+
+        $db = DB::db();
+
+        $general = $this->generalObj;
+        $date = $general->getTurnTime($general::TURNTIME_HM);
+
+        $logger = $general->getLogger();
+
+        $srcDex = $general->getVar('dex'.$this->srcArmType);
+        $cutDex = Util::toInt($srcDex * 0.3);
+        $cutDexText = number_format($cutDex);
+        $addDex = Util::toInt($cutDex * 2 / 3);
+        $addDexText = number_format($addDex);
+
+        $general->increaseVar('dex'.$this->srcArmType, -$cutDex);
+        $general->increaseVar('dex'.$this->destArmType, $addDex);
+
+        $josaUl = JosaUtil::pick($cutDex, '을');
+        $josaRo = JosaUtil::pick($addDex, '로');
+
+        [$reqGold, $reqRice] = $this->getCost();
+
+        $logger->pushGeneralActionLog("{$this->srcArmTypeName} 숙련 {$cutDexText}{$josaUl} {$this->destArmTypeName} 숙련 {$addDexText}{$josaRo} 전환했습니다. <1>$date</>");
+
+        $general->addExperience(10);
+        $general->increaseVarWithLimit('gold', -$reqGold, 0);
+        $general->increaseVarWithLimit('rice', -$reqRice, 0);
+        $general->increaseVar('leadership_exp', 2);
+        $general->setResultTurn(new LastTurn(static::getName(), $this->arg));
+        $general->checkStatChange();
+        tryUniqueItemLottery($general);
+        $general->applyDB($db);
+
+        return true;
+    }
+    
+    public function getForm(): string
+    {
+        $db = DB::db();
+
+        $general = $this->generalObj;
+    
+        $dexSrcTexts = [];
+        $dexDestTexts = [];
+        foreach(GameUnitConst::allType() as $armType => $armName){
+            $dexVal = $general->getVar('dex'.$armType);
+            $dexValText = number_format($dexVal);
+            $cutDex = Util::toInt($dexVal * 0.3);
+            $addDex = Util::toInt($cutDex * 2 / 3);
+            $addDexText = number_format($addDex);
+            $newDex = $dexVal - $cutDex;
+            $beforeDexLevel = getDexCall($dexVal);
+            $afterDexLevel = getDexCall($newDex);
+
+            $dexSrcTexts[$armType] = "{$armName} ({$beforeDexLevel} ⇒ {$afterDexLevel}, {$addDexText} 전환)";
+            $dexDestTexts[$armType] = "{$armName} ({$dexValText})";
+        }
+
+        ob_start();
+?>
+본인의 특정 병종 숙련을 30% 줄이고, 줄어든 숙련 중 2/3(20%p)를 다른 병종 숙련으로 전환합니다.<br>
+
+<select class='formInput' name="srcArmType" id="srcArmType" size='1' style='color:white;background-color:black;'>
+<?php foreach($dexSrcTexts as $armType=>$infoText): ?>
+<option value="<?=$armType?>"><?=$infoText?></option>
+<?php endforeach; ?>
+</select>
+ 숙련을
+
+ <select class='formInput' name="destArmType" id="destArmType" size='1' style='color:white;background-color:black;'>
+<?php foreach($dexDestTexts as $armType=>$infoText): ?>
+<option value="<?=$armType?>"><?=$infoText?></option>
+<?php endforeach; ?>
+</select>
+ 숙련으로 <input type=button id="commonSubmit" value="<?=$this->getName()?>"><br>
+
+<?php
+        return ob_get_clean();
+    }
+}
\ No newline at end of file
diff --git a/hwe/sammo/GameConstBase.php b/hwe/sammo/GameConstBase.php
index 11b33845..1043479d 100644
--- a/hwe/sammo/GameConstBase.php
+++ b/hwe/sammo/GameConstBase.php
@@ -277,7 +277,7 @@ class GameConstBase
             //'che_내정특기초기화',
             //'che_전투특기초기화',
             'che_단련',
-            //'che_숙련전환',
+            'che_숙련전환',
             'che_견문',
             'che_장비매매',
             'che_군량매매',