Garbage is a solid waste produced in human daily life and production. Due to its large discharge, complex and diverse components, and its pollution, resource and sociality, it needs harmless, resourceful, reduced and socialized treatment. If it cannot be properly treated, it will pollute the environment, affect environmental health, waste resources, destroy the safety of production and life, and destroy social harmony.

The purpose of waste crushing is to be harmless, resourceful and reduced. After crushing, waste can reduce pollution and save resources. As long as it is recyclable, it can be used as renewable raw materials to re-enter the production field and produce various new products. Such as daily tools, cooking utensils, can be recycled. Waste plastics can be granulated and used as raw materials to reproduce plastic products.