 Evidences are in the painting "The Mahasattva Trúc Lâm Coming Out of the Mountains" which drew Trần Nhân Tông and men in Trần dynasty as well as the Chinese encyclopedia "Sancai Tuhui" from 17th century.That conventionality had been popular until the Fourth Chinese domination of Vietnam.When Han Chinese ruled the Vietnamese in the Fourth Chinese domination of Vietnam due to the Ming dynasty's conquest during the Ming–Hồ War they imposed the Han Chinese style of men wearing long hair on short haired Vietnamese men.