The utility model discloses a building site is with fine atomizing antidrip shower nozzle, including the base member, with the end cover and the water flow switch of base member fastening, in the rivers through -hole is arranged in to the rivers through -hole that link up about being equipped with in the base member, water flow switch, be equipped with on the end cover with the communicating apopore of rivers through -hole, be equipped with spray hole piece in the end cover, spray hole piece central authorities are equipped with the orifice, the utility model discloses an inside water flow switch of shower nozzle, but when spraying pump stop work or water pressure are less self -closing rivers through -hole, realize the cutout effect after pipeline pressure reduces, prevent shower nozzle dripping phenomenon's emergence.