The utility model discloses a strainer valve, the valve body that is water inlet and delivery port including both ends respectively, the valve body on still be equipped with a filter tube that makes water inlet of the valve body and valve body delivery port be linked together, its characterized in that: the tip of filter tube is equipped with threaded connection's end cover, the end cover includes the metallic object the edge all around of metallic object forms annular limit, the inner wall on annular limit forms the internal thread, the outer wall on annular limit is the hexagon, form the through -hole on the metallic object, the inside end cap of through -hole, still include filter unit. The utility model discloses can solve the weak point that exists among the prior art, when needing the clearance after the filtration, convenient very much simple, it is convenient to change the filter screen simultaneously.