The equipment can be set in the ground, the ground can be green, does not affect the surrounding environment. The equipment is suitable for residential communities, villages, towns, office buildings, shopping malls, hotels, restaurants, sanatoriums, organs, schools, troops, hospitals, highways, railways, factories, mines, tourist attractions and other domestic sewage and similar slaughter, aquatic product processing, food and other small and medium-sized industrial organic wastewater treatment and reuse.