During the Tang Dynasty, long hair and black hair were considered as symbols of masculinity.

This hairstyle was known as "ji" and was often used to showcase an individual's elegance and nobility.

In the Tang Dynasty, people placed great emphasis on appearance and image, so long hair was seen as an important cultural symbol.

Additionally, the Tang Dynasty was one of the most prosperous periods in Chinese history, so long hair was also viewed as a fashionable and trendy style.