Water valve for toilet

The utility model discloses a water valve for a toilet bowl, which comprises a valve body provided with an axial through hole, a valve rod penetrated in the through hole of the valve body and a joint connected with the lower part of the valve body, wherein the side wall of the valve body is provided with an upper taper screw hole and a lower taper screw hole which are communicated with the axial through hole; the middle part of the valve rod is provided with an annular groove in which a sealing ring can be arranged, and the lower part of the valve rod is provided with a fine shaft neck; an O sealing ring is arranged between the valve body and the joint of which the bottom surface is provided with an axial through hole, and a sealing pad is arranged between the joint and the lower end surface of the valve body. The water valve for a toilet bowl, which is disclosed by the utility model is installed at the lower part of a water tank of the toilet bowl, tap water which passes through the valve can directly flow into a flush pipeline of a bedpan of the toilet bowl to be mixed with water in the water tank to flush the toilet bowl, the flush pressure of the toilet bowl is raised, just a small amount of water can flush the toilet bowl clean and the effect of water saving is realized.