Domestic waste refers to solid waste generated in daily life or in activities providing services for daily life, solid waste regarded as domestic waste
by laws and administrative regulations. Generally, it can be divided into four categories: recyclable waste, kitchen waste, harmful waste and other waste.

Recyclable waste includes paper, metal, plastic, glass, etc.
Chicken waste includes food waste such as leftovers, bones, vegetable roots and leaves.
Harmful waste includes waste batteries, waste fluorescent lamps, waste mercurialthermometer, expired drugs, etc.
Other wastes include brick, ceramic, muck, toilet paper and other wastes that are difficult to recycle.