The utility model relates to an automatic static dispensing mixer for mixing liquid or mixing liquid and powder solid. The technical scheme is that one coaxial end of a three-way pipe is inserted into a drainage pipe, the other coaxial end of the three-way pipe serves as an outlet pipe, an inserting end of the drainage pipe and the three-way pipe at the inserting end form sealing contact in sliding mode, the front end of the drainage pipe and an coaxial output pipe orifice of the three-way pipe form a conical abutting face, and the drainage pipe and the three-way pipe at the inserting end are connected through threads. A screw is arranged on a corresponding output pipe orifice of the three-way pipe, and a check valve is connected with an outer port of the drainage pipe. Compared with the prior art, the automatic static dispensing mixer has the advantages of being simple in structure, convenient to use, low in cost and easy to carry.