庞涓攻城，韩国太子仍按兵不动，韩国将士情绪激愤，许多将军以死逼太子出兵，众怒难犯，太子只好出战。韩国军队依照孙膑\"树上开花\"之计，虚张声势，"},{"lemmaId":0,"tag":"innerlink","text":"庞涓"},{"tag":"text","text":"错误的以为，"},{"lemmaId":0,"tag":"innerlink","text":"韩军"},{"tag":"text","text":"主攻方向在韩国太子一路，率主力迎击太子，结果申大夫率韩军主力突破"},{"lemmaId":0,"tag":"innerlink","text":"魏军"},{"tag":"text","text":"包围，将粮食和援军送进成皋。太子不听劝告，违背"},{"lemmaId":0,"tag":"innerlink","text":"孙膑"},{"tag":"text","text":"之意，被庞涓大军围困在城西。孙膑再用\"树上开花\"之计，造成大军进城的假象。"},{"lemmaId":0,"tag":"innerlink","text":"庞涓"},{"tag":"text","text":"估计"},{"lemmaId":0,"tag":"innerlink","text":"孙膑"},{"tag":"text","text":"将从成皋西门突袭庞涓，调集大军埋伏在城西。谁知孙膑大军从"},{"lemmaId":0,"tag":"innerlink","text":"魏军"},{"tag":"text","text":"包围圈的另一方向突破，救出太子及所率将士。