1, food waste: cereals and their processed food crystals, meat and eggs and their processed food, aquatic products and their processed food, vegetables, seasonings, sauces and so on.

2, leftovers: hot pot soup base, fish bones, broken bones, tea dregs, coffee grounds, Chinese medicine dregs and so on.

3, expired food: cakes, candies, air-dried food, powdered food, pet feed and so on.

4, peel and kernel: fruit pulp, fruit peel, fruit stems and branches, fruits and so on.

5, flowers and plants: domestic green plants, flowers, petals, branches and leaves, etc..

6, such as: leftovers, bread, chicken, cakes and cookies, animal offal, apple cores, dried fruit kernels, vegetables, fish, shrimp, eggs and eggshells, soybeans and legumes, flowers, Chinese medicine dregs, pet feed