Cheongsam is known as China's national treasure and women's national costume, it first appeared in which dynasty?

The cheongsam first appeared in the Republic of China.

The cheongsam is not the traditional dress of any Chinese nation, it appeared in the Republic of China, the traditional dress of the Manchu people, the cheongsam ladies' robe combined with the western three-dimensional tailoring of the new style of clothing.

The cheongsam is known as the national treasure because the cheongsam piping uses the traditional Manchu piping technology, Manchu factory word collar, Manchu disk buttons, combined with the traditional Han Chinese auspicious motifs, and all kinds of traditional embroidery (Suzhou embroidery, Shu embroidery, etc.).