At the vegetable market on the outskirts of Chuanqiao, Chun San, the vegetable store owner, met Li Zhongshan, a Chinese student, and realized that the life of Chinese students was very hard, so he decided to help them. At first he just did some good things casually, but then he gradually upgraded and sacrificed his own life. The students admired him very much and called him "Japanese father". However, regardless of buying and selling in the spring, the burden of his wife Mei Zhi increased, resulting in a crisis in both the store and the family. "can you just let the store collapse?" The foreign students decided to work for the store. Chun San and Mei Zhi shed tears of emotion. A few years later, Li Zhongshan, who returned to China, made an international call from Beijing, inviting Chun San and Mei Zhi to visit China. Based on the true story, the film is warm and humorous, vividly shows the life in the suburbs of Japanese towns and the joys and sorrows of small potatoes, and expresses the friendship between China and Japan. In order to make the scene vivid and realistic, the director often sets up several people to talk together, and the topics are often different, and the audience who does not understand the language may be dazzled by the subtitles. Director Yasuhiko Okayashi is one of the most important directors of Japanese new films in the 1980 s, along with Kiyuki Suzuki and Akira Kurosawa among the top 10 best directors in the 1980 s.