1. Peach kernel has a certain weight, which can be used as raw material for punching bags, and can exert moderate punching force and relax muscles and collaterals when used.

2. The peach pit has a hard shell, which can protect the internal meridians and avoid injury when using it.

3. Taoshi has the function of exorcism in traditional culture, so the beating bag made of Taoshi also has some mystery, which may be used in some beliefs and ceremonies.

Generally speaking, the beating bag made of peach core bag is mainly because of its weight, hard shell and the role of evil spirits in traditional culture.