Aerobic composting is a process of decomposing and transforming waste organic matter through microbial fermentation under the conditions of artificial control of certain moisture, C/N and ventilation. Through composting process, organic matter changes from unstable state to stable humus. After high-temperature fermentation, the compost product does not contain pathogenic bacteria, weed seeds, odorless and fly free, which can be safely treated and preserved, and is a good soil conditioner and organic fertilizer. Realize sterilization, reduction, volume reduction, maturity and drying of materials.