This paper focuses on the Zainichi Koreans depicted in the Japanese film “The Dairy of Sueko”. The film is set in a Japanese coal mine in 1959 when high economic growth was in full swing. It is a work that sheds light on people in areas excluded from the growth policy. Shohei Imamura, the director of the film, said, The diary of a Zainichi Korean who carefully reflected the reality of Zainici Koreans in order to criticize capitalism, or the growth policy of the government, based on alienation and exclusion. This was implemented in the film through the newly-formed welfare worker Kanako and the Zainichi Korean old woman Sakada. Kanako, a welfare worker, was an active performer of government policy and a position to accuse the problems of government policy and coal mining companies through field experience, and was also a multiple location to identify the contradictions of coal mining workers. In other words, she was designed to reveal complex and multifaceted issues of exclusion and discrimination surrounding the coal mine village pursued by the film “The Dairy of Sueko”. The Sakada old woman was the target of criticism from her brother and sister, who are Zainichi Koreans, the main characters of the film. Set as the richest man in the village, she was only targeted for accusations of the evils of capitalism. Therefore, the problem of discrimination against Zainichi Koreans were not able to carry out the responsibility or reflection on the colonial support that could have been asked through Zainchi Koreans as the general theory of the harmful effects of capitalism was gathered.