There are not many markets for the application of degradable plastic pepper balls, which are generally used in high-grade cosmetics packaging, such as walking balls of perfume bottles. In fact, degradable plastic pepper balls used in cosmetics have a shelf life, because degradable plastics will degrade when exposed to humid environment for a long time. In order to extend the shelf life of degradable plastic pepper balls, it is necessary to modify the materials of degradable plastic pepper balls.The storage method of degradable plastic pepper balls is different from that of plastic pepper balls made of other materials. It needs special PE bags for vacuum storage, and opaque PE bags are needed to hold degradable plastic pepper balls, because degradable plastics will also accelerate the degradation speed of degradable plastic pepper balls under light. The use method of degradable plastic pepper balls should be based on the use specifications of degradable materials.