In this paper, taking Japan’s preservation editions of world masterpiece agricultural book Qi Min Yao Shu and related researches as the main line, and taking representative Japanese scholars’ research findings and achievement on Qi Min Yao Shu as the starting points such as Amano Motonosuke, Nishiyama Buichi, it has carded and studied profound impact of Qi Min Yao Shu on Japan mainly from aspects of the spread of Qi Min Yao Shu in Japan, collection places of ancient China's agricultural books and the agricultural masterpiece of Qi Min Yao Shu in Japan and major editions of Qi Min Yao Shu in Japan in a comparatively detailed way.