Tassels on Chinese swords serve both practical and symbolic purposes. They are commonly attached to the pommel or handle of the sword and can be seen on various types of Chinese swords, including jian (straight swords) and dao (curved swords). Here are a few reasons why tassels are present on Chinese swords:

1. Practical Function: Tassels on Chinese swords can serve a practical purpose during combat. When the sword is wielded, the tassel can help provide a visual reference point for the sword's movement, enhancing the swordsman's awareness of the blade's position and motion. It can aid in maintaining proper control, balance, and coordination during fast-paced maneuvers.
2. Aesthetic and Symbolic Significance: Tassels on Chinese swords are often ornately designed and made from decorative materials. They contribute to the overall visual appeal of the sword and can serve as an artistic expression. The colors, patterns, and materials used in the tassels can hold symbolic meaning, representing virtues such as courage, honor, or martial prowess.
3. Rank and Status: In some cases, the presence of a tassel on a Chinese sword can indicate the rank or status of the sword's owner. Higher-ranking military officers or martial arts practitioners may have more elaborate or distinguished tassels as a symbol of their authority or skill. The tassel can be used as an indicator of the sword bearer's social position or achievements.
4. Historical Tradition: The use of tassels on Chinese swords has a long historical tradition. Tassels have been observed on Chinese swords dating back centuries, and their presence has become an integral part of Chinese sword culture and aesthetics. The tradition has been maintained and passed down through generations, contributing to the continuity and identity of Chinese sword craftsmanship.

It's important to note that the specific style and design of tassels on Chinese swords can vary across different regions, historical periods, and personal preferences. The meaning and significance attached to the tassels can also vary, influenced by cultural, martial, or individual factors.