Water flow controllable oral irrigator for oral care

The water flow controllable oral irrigator comprises a handheld part, a water storage bin and a water spraying pipe, a water supply assembly is installed in the handheld part, a pressure adjusting assembly is arranged in the handheld part, and the pressure adjusting assembly is used for changing the pressure of the water supply assembly during water flow transportation. A power driving assembly is arranged in the water spraying pipe, a rotary water spraying assembly is arranged in the water spraying pipe, the power driving assembly can enable the rotary water spraying assembly to rotationally spray water, the end, away from the handheld component, of the water spraying pipe fixedly communicates with a circular cylinder, and a rotary tooth brushing assembly is arranged in the circular cylinder; the power driving assembly can drive the rotating tooth brushing assembly to rotate, water flow passes through the spiral groove formed in the rotating body and is matched with rotation of the rotating body, so that the