Multi-point water distribution system for wastewater treatment

The utility model discloses a multi-point water distribution system for wastewater treatment. The multi-point water distribution system comprises a water distributor, a water distributor water collecting tank supporting plate is arranged on the outer side, close to the upper end connected with the lower support of the water distributor water quantity regulator, of a water distributor water inlet pipe of the water distributor; a plurality of water distribution branch pipes are arranged on the outer circumference of the water distributor water collection tank supporting plate in a surrounding manner; each water distribution branch pipe is sequentially connected with a water distributor descending pipe and a water distribution cap; the water distributor, each water distribution cap and each water distribution branch pipe are made of PE, PP and/or HDPE materials through a mold extrusion or injection molding process; the water distributor water inlet pipe, the water distributor water quantity regulator lower part