Medical water training pools are usually large, the water temperature is high and constant, usually at 30-35 ℃, water quality requirements are strict, the pool is specially designed, there can be auxiliary access devices, water balance bar, bicycles and other training equipment. The therapist and the patient at the same time in the water for functional training, which is conducive to the therapist’s control of the patient, the design of individualized treatment plans, to carry out the land can not achieve the movement training. In-water training is suitable for a wide range of diseases but slightly more demanding. It is suitable for fracture, amputation, paraplegia, hemiplegia, cerebral palsy, cervical and lumbar spondylosis, low cardiopulmonary function, etc. It can improve muscle and joint pain, sensory dysfunction, increase muscle strength, endurance and joint range of motion, improve balance, coordination function and cardiopulmonary endurance, pre-walk training, inhibit abnormal movements, promote normal movement patterns, and strengthen cardiopulmonary function. Note: Not suitable for patients with fractures that have not reached the clinical healing stage and impaired bowel control. Usually the treatment time is 20-30 minutes, using one-to-one or one-to-many training, the pools are designed at different depths to facilitate the treatment of different types of patients at the same time.