Abstract: To the ancestors of Miao Minority,beauty means brightness,which is embodied in two important factors of aesthetic origin:metallurgy and brightness.Metallurgy-based labour creates the form of brightness and aesthetics comes out of the activity of metallurgy as the creation of and affection for brightness.On the other hand,brightness is the base of aesthetic activities,because aesthetics entails brightness for brightness not only gives the possibility for sense organs to appreciate beauty,but also reveals the form and characteristics of beauty.The Miao people can not enjoy a dazzling lifestyle without a bright living environment and the brightness of life is the origin of beauty.Fundamentally speaking,beauty is an expression of the living status featuring brightness of Miao ancestors.

Key words: the origin of aesthetic, metallurgy, light, brightness