The same reasons for the four major changes in ancient Chinese costumes

It should all be related to foreign invasion. .

1 is Hanfu. Not conducive to war. Wearing khufu has become a change of the times.

Fusion (foreign) cheongsam is Manchu. The current cheongsam is completely different from that of Manchu. (improvement)

3. The era when the combination of Chinese and Western (Chinese tunic suit) prevailed

National movement (shortly after liberation. All military uniforms. No wonder the President of the United States was surprised when he went to China. . So many soldiers)

5 others (of course, there are also some retro periods. It's just that these are short-lived. . . After all, clothes are completely westernized now. There is no national costume of that year. . . Look at other countries, Japan. Korea and so on. Can't help but say it's the sorrow of China's traditional culture. . . Remember cheongsam, these are not)