It is adapted from the Chinese children's novel of the same name, by Xu Guangyao 徐光耀, which was based on the true story of Yan Xiufeng.

[1] One film and one TV series with the same name precede the animated version, with more mature contents in 1963 and 2004.

[3] In the cinemas, it was shown due to the 60th anniversary of China's War of Resistance Against Japanese in 2005.

[4] The story is set in Baiyangdian, in Hebei Province, and is based on the backdrop of the Chinese Civil War and the Second Sino-Japanese War with character Zhang Ga in the middle of the chaos along with the Eighth Route Army.

The real story is based on the actual person Yan Xiufeng, whose childhood name was Gazi, who was born in Baiyangdian.