San mao (3 hairs) was a very popular Chinese comic strip first published in 1935-37, continued from 1948 into the 1990s, about a young orphan boy struggling with life in Shanghai.

This tale of familial warfare and sacrifice takes place in hard-pressed Shanghai at the end of the 1940s. Hu Zhiqing can barely support his wife and children, and his situation is worsened by the unexpected arrival of his mother, brother and sister-in-law. When he is fired by his unscrupulous boss, the whole family becomes embroiled in one emotional/economic struggle after another.