Sister Sunshine, whose real name is Wu Meizhen, has written articles such as One-winged Angel Not Alone, My deskmate is the monitor, and Hugging Happy Bear.

Wu Meizhen's novels have brought a fresh wind to China's children's literature, and the growth of children is the theme of all her novels. She entered the emotional world and spiritual world of children with the unique sensitivity, delicacy, thoughtfulness and kindness of female writers.