1. Improper washing method: Rough washing tools, strong stirring or high-temperature washing are used when washing pants, which will lead to brand fuzz and word wear.

2. Wearing and rubbing: In the process of wearing trousers, the trademark of trousers waist will often rub against the skin of waist, belt and other objects, and long-term friction will lead to the fuzzing of the trademark and the wear of words.