What does it mean when it says flour in Chinese buns?

Baos made by the Chinese tradition. According to the query about Chinese-style buns, the flour written with Chinese buns means buns traditionally made by Chinese people. Chinese buns refer to buns traditionally made by Chinese people, which include buns and snacks. Bao generally refers to foods with fillings wrapped in rice flour, such as raw meat buns, barbecued pork buns, vegetable buns, custard buns, coconut buns, etc.