There are two explanations for putting white stripes on athletes:

1. The 2008 Olympic Games had very strict dress requirements for athletes and spectators. The purpose was to prevent some businesses from using them in their clothing. Advertising on clothes. Use white strips to cover advertising slogans on clothes.

2. During the weightlifting competition, in order to allow the players to perform better, the coach uses the position of the white bar to remind the athletes of their movements.