Japan is the main export target country of Chinese agricultural products,and the bilateral trade relations between the two countries are quite close. This article mainly makes an empirical analysis on the growth factors of Chinese agricultural products exported to Japanese market by using the CMS model.The result shows that the increase of Japanese domestic market demand is the main factor which affects Chinese agricultural exporting to Japan.The structural effect has a significant positive impact on the growth of Chinese agricultural products exported to Japan.However, the comprehensive competitiveness effect and product competitiveness effect have a negative influence on it.To expand Chinese agriculture exports to Japan,the paper puts forward some corresponding suggestions based on the different growth factors according to the empirical results.