Chang was Lu Xun's nanny when he was a child, and he was a character in Chang and Shan Hai Jing. Chang (? -1899), Han nationality, from Dongpu Gate, Shaoxing, Zhejiang. Lu Xun called her "grandma", and if he hated her, he called her "Chang". From the eldest mother, we can see Lu Xun's sympathy for the working people at the bottom: praising their good and kind side.

A Chang and Shan Hai Jing is a retrospective narrative prose written by Lu Xun, a modern thinker and writer, in 1926. This paper describes Lu Xun's childhood with Chang, and describes her mother's kindness, simplicity, superstition, nagging, and "full of trouble etiquette." She is full of respect and gratitude for her long-awaited painting "Shan Hai Jing", expressing her sincere mourning for the working woman and deep nostalgia for her youth and ignorance. The full-text language is plain and vivid, revealing true feelings everywhere, and bringing readers into the world of childhood authors without any pretentious narration makes people feel particularly amiable.