A pet bath device is disclosed. The disclosed dog bath device is provided with a bath space for filling and washing the dog with water, and a body part provided with a shampoo tank formed deeper on one side of the bath space; A high pressure pump installed inside the main body; A suction port installed on a sidewall of the shampoo tank and installed to be connected to the suction side of the high pressure pump through a suction flow path to suck shampoo contained in the shampoo tank to the high pressure pump side; A filter member detachably coupled to the end of the suction port to filter the pet hair contained in the shampoo water to not flow into the suction port; A first three-way valve installed to connect the faucet and the suction passage and the suction side of the high-pressure pump to switch the flow path to selectively supply clear water from the faucet or shampoo from the suction passage to the high-pressure pump; It is provided with a shower hose, it is configured to be connected to the discharge side of the high-pressure pump, a shower for injecting high-pressure clear water or shampoo water provided from the high-pressure pump; It is configured on the inner wall of the bathtub space or the inner surface of the shampoo tank, and is configured to be connected to the discharge side of the high pressure pump, so that high pressure clear water or shampoo water supplied from the high pressure pump is injected into the water filled in the bathtub space. Water jet; It is configured to connect the shower and the water injection port and the discharge side of the high-pressure pump, discharge the high-pressure clear water or water from the high-pressure pump to either the shower or the water injection port or the shower and the water A second three-way valve for switching flow paths to simultaneously discharge to the injection port; And an air pump installed inside the main body and supplying high pressure air to the water jet port to increase the water pressure