Non powered domestic sewage treatment equipment "Non powered" refers to domestic sewage being discharged by itself and driven through the treatment process by gravity, without the need for electric devices such as water pumps. The non powered domestic sewage treatment equipment integrates sedimentation, anaerobic, and facultative treatment, and is an efficient, automatic, and novel non powered sewage treatment equipment. It can be installed in a centralized and decentralized manner and is widely used for sewage treatment in residential areas, hotels, restaurants, highway service areas, toll stations, hospitals, stations, docks, airports, towns, factories, mines, scenic spots, etc. The effluent can be reused for greening, landscaping, watering, car washing, toilet flushing, and replenishing water for rivers and lakes.