The earliest gaijin in pure green for Hui?

Are you asking what is the earliest gaitou in pure green color of Hui people? The earliest Huizhou pure green gaitou is a kind of dress worn on women's head. The history of the earliest green head cover can be traced back to the Uighur people in the Tang Dynasty. It protects women's heads from external injuries and shows their identity and status. In the traditional culture of the Hui people, the head cover is also an important symbol of dress culture, representing the dignity and status of Hui women.