Why today's men can't have long hair if they want to be young, while men in ancient China can have long hair without feminine taste? What culture is it influenced by?

The length of hair has never been a sign to distinguish masculinity from masculinity. This is just a secular vision in the external image, but if a person is masculine, it is important to be firm and unyielding. It will be more troublesome to comb long hair, and it will affect the progress of many jobs. Ancient people had few things and a slow pace of life. In addition, men's hair is specially combed by servants or wives. Nowadays, men don't have that privilege, so short hair will make things more energetic. This image is more conducive to putting time into your career.