is a 1975 Japanese drama film directed by Kirio Urayama from a story by Hiroyuki Itsuki. A direct sequel titled Seishun no mon: Jiritsu hen (青春の門: 自立篇, transl. The Gate of Youth: Part 2), also directed by Urayama, was released in 1977.

Plot

Mainly the story of Shinsuke and his stepmother, ranging from Shinsuke's infancy to his mid-teens. Coal workers and the Chikuo mines dominate nearly every aspect of the life of the characters. Shinsuke's father dies while bravely using dynamite to rescue a group of trapped Korean miners. Shinsuke must then grow up without a father in a world of poverty.