The Little Soldier Zhang Gar was a Chinese children's literary work that told the heroic story of a young Zhang Gar during the Anti-Japanese War. Zhang Jia was a determined, brave and optimistic teenager. He performed well in the war and helped many Chinese people resist the Japanese invasion. He was not afraid of danger and danger, was not afraid of sacrifice, and used his own practical actions to interpret the spirit of patriotism. In the movie, Zhang Jia was usually depicted as a young boy wearing a red shirt and a green hat.