Air pressure as power, automatically trains hand activities, reduces spasms, and performs effective hand rehabilitation training. It acts on brain nerves and blood vessels at the same time, and promotes conservative treatment and postoperative rehabilitation of brain injuries. Features: 1.Pneumatic drive, does not hurt hands. 2.Rotating independent air valve switch, can be practiced separately and freely. 3.Simple operation interface, the elderly can also complete it independently. 4.It is suitable for finger spasm, postoperative recovery, stroke zhemiplegia, and finger rehabilitation training. Product function: help hand function rehabilitation. Recommendations for use: 2-3 times a day, 20 minutes each time Scope of application ●The patient's finger joints recovered after the injury. ●Stroke, brain injury, cerebral palsy, spinal cord injury, orthopedic surgery, ●Sequelae of hand dysfunction caused by multiple sclerosis.