Health underwear is generally ineffective or its effect is generally exaggerated. There is little difference between healthy underwear and ordinary underwear.

The main function of underwear is to prevent direct contact between reproductive system and trousers, and to avoid repeated friction of trousers, which plays a certain protective role.

In addition, the area of underwear is relatively small, and it is more convenient to clean. Underwear can be cleaned in time when it is dirty. It is recommended to change underwear frequently.