Yang's initial role in The Story of the Wheat Harvest is to point out the time and hint at the theme. According to the relevant public information, the time when the story happened was pointed out. Wheat harvest refers to mature wheat harvest, and Yang grew up and matured on the revolutionary road. As a clue of the novel, various plots are strung together. Yang grew up and matured on the revolutionary road, subtly suggesting the theme of the novel. Yang has a reportage "Persistence —— The Chronicle of the National Excellent People's Police Lv Jianjiang".