引言元末明初,山东地区频遭倭寇侵掠,沿海居民多受其扰,苦不堪言。倭患不但对山东的军事、经济和社会有着重要影响,而且对明朝与日本、朝鲜的外交、军事、经贸活动有深远影响。从区域研究上看,嘉靖大倭患主要发生在南方沿海,因而学者们对粤、闽、江浙等地的倭患非常重视,但忽略了北方沿海的倭患情况。事实上,明初山东沿海的倭患非常严重,以至于明太祖在继位之初,第二次派遣使者去日本时,在国书中明确提及山东 Introduction Yuan Dynasty and early Ming Dynasty, Shandong area was frequently pirated by pirates, coastal residents suffer much disturbing, miserable. Japanese invasion not only has an important influence on Shandong’s military, economy and society, but also exerts a profound influence on the diplomatic, military and economic and trade activities between the Ming Dynasty and Japan and North Korea. From the regional research point of view, Jiajing Big Japanese invasion occurs mainly in the southern coast, so scholars pay great attention to the Japanese in Japan, Fujian, Jiangsu and Zhejiang and other places, but ignored the Japanese invaders along the northern coast. In fact, the Japanese occupation of the Shandong coast in the early Ming was very serious, so that at the beginning of the successor to Ming Taizu, when the second messenger was sent to Japan, it was explicitly mentioned in the credentials