The key function of a benefits of sports belly belt is to protect the players' waist during sports games, yoga, or gym exercises. Because it has a certain pressure and tension, it can avoid excessive stretching and damage to the soft tissues, fascia, and muscles of the waist. The lumbar spine also prevents excessive flexion and extension activities under its protection, thereby protecting the bones and soft tissues of the waist and reducing damage.

Some people think that sports belts can effectively shape the body, but the effect is not accurate. It is not recommended to wear sports belly belts for this purpose, because wearing sports belts should be moderately tight. However, if it is too tight, it will squeeze the internal organs, or cause damage to internal organs.