本文从前人较少注意的明初皇室与功臣联姻和政争的关系,探析了蓝玉案成因。蓝玉系太子妃舅父,与太子关系密切。他以显赫战功受太祖器重,对早就觊觎皇位的燕王构成威胁。太子在世时,燕王尚不敢轻举妄动;太子死后,他利用太祖的猜忌心理怂恿太祖大杀功臣。为皇权计,太祖制造了蓝玉案,又相继处死了傅、冯等功臣。蓝玉等人成了皇室的牺牲品。 This article analyzes the relationship between the imperial court and the hero and the civil war who pay less attention to the early Ming Dynasty and analyzes the causes of the blue jade case. Department of Royal Blue Princess Royal uncle, Prince and close. His great exploits have been taken care of by his ancestors, threatening the longtime Emperor Yan Wang. When Prince Edward was alive, Yan Wang did not dare to act rashly; after Prince Edward’s death, he used Taizu’s suspicion to encourage Taishu kill hero. For the imperial power plan, Taizu made the case of blue jade, but also executed Fu, Feng and other hero. Blue jade, who became the victim of the royal family.