Carpal tunnel syndrome is more common in middle-aged women, while men usually have a history of occupational disease. It is a group of symptoms and signs caused by compression of the median nerve in the carpal tunnel. Patients may feel numbness or pain in the three radial fingers, with the middle finger being the most obvious, and the symptoms are worse at night or early in the morning, along with a feeling of weakness in holding objects. The pain may extend to the entire forearm, but the abnormal sensation is limited to the position below the wrist. The main manifestation is thumb to palm weakness due to median nerve compression of the greater pisiformis muscle atrophy. Positive median nerve flexion test of the wrist Bending the elbow and forearm to the desk in front of the patient, both wrists are flexed 90 degrees at the same time, and within one minute the patient will induce symptoms of median nerve irritation, and this positive rate is around 70%. Those with inflammation or masses in the carpal tunnel will show localized elevation with pressure pain, and electrophysiological examination usually shows nerve damage. Treatment is generally to control the activity in a timely manner, can be given to inject hormonal drugs, the effect is better, for a longer duration of the disease can be used for surgery.