The invention relates to a two-body nasal washing device, which comprises a washing liquid bottle, a liquid inlet pipe, a bracket, a liquid outlet one-way valve, a vent hole, an air inlet hole, a liquid outlet pipe, a recovery head, and a liquid return pipe , liquid return one-way valve, recovery bottle; the liquid outlet one-way valve is connected directly above the lotion bottle; one end of the liquid outlet one-way valve is connected with a liquid outlet pipe; the end of the liquid outlet pipe is connected with an outlet liquid head; the liquid return one-way valve is connected directly above the recovery bottle; one end of the liquid return one-way valve is connected to the liquid return pipe; the end of the liquid return pipe is connected to the recovery head; There are air intake holes and ventilation holes. Its advantages are as follows: high user utilization rate, easy to control the flushing pressure of nasal washing liquid by squeezing the washing liquid bottle during use, realizing one-way flow of nasal washing liquid, after cleaning from one nostril, it enters the recovery bottle through the other nostril , The nasal wash liquid can be recycled, reducing the pollution of the nasal wash liquid to the surrounding environment, and the washing speed is controlled by the user's hand, the operation is simple, and the comfort is good.