CWC is a container made of coffee periodically trimmed branches. The inside can be filled with water and coffee organic fertilizer. It can keep the land moist for a long time, and the nutrient container will also turn into fertilizer, which will be absorbed by the land to form coffee waste recycling. The economic value of waste. Coffee organic fertilizer is made from waste coffee peels, black molasses and natural cow dung bacteria, and fermented to form natural liquid organic fertilizer, which can be better absorbed by coffee trees and effectively prevent coffee blight and rust.