Food waste should be put into the green color bin. Food waste mainly comes from family kitchens, restaurants, hotels and other places and industries related to food processing, including leftovers, leftovers, fruit peels, egg shells, tea dregs, bones and so on. Food waste can be recycled as organic fertilizer through biotechnology in-situ treatment and composting.

Green Bin: In the case of a variety of plastic trash can combinations, green represents food waste, including leftovers, leftovers, fruit peels, egg shells, tea dregs, bones and so on. Food waste can be used as fertilizer for plant nutrients, and soil burial can be decomposed and absorbed by nature's microorganisms and plants, which plays the role of waste reuse.

The color of garbage cans a *** there are four colors, respectively, red, blue, green, yellow, gray. Red trash cans: representing hazardous substances, sometimes also marked in orange, hazardous substances, including waste batteries, fluorescent tubes, paint, expired drugs, cosmetics and other non-recyclable and with a certain degree of pollution hazardous substances.

Blue bins: represent recyclable waste, including plastics, paper, metals and other substances with value, which will be included in the waste recycling system for recycling and disposal.

Yellow garbage cans: Representing special garbage cans for medical waste, generally only used in hospitals, health stations and other medical places.