Changshan is a traditional Chinese garment, often worn by men, characterized by its long, straight cut and high collar. It is typically made from silk or cotton and features a series of buttons down the front. The changshan is commonly associated with formal occasions and is a symbol of Chinese culture. The garment is often paired with a maojin, a type of cap, and is sometimes worn during celebrations or cultural events. The changshan has historical significance, reflecting the fashion trends of the Qing Dynasty and remains popular in modern times for its elegance and cultural heritage.