Frozen shoulder is also known as periarthritis of the shoulder joint, commonly known as frozen shoulder and fifty shoulder. It is a chronic inflammation of the shoulder capsule and its surrounding ligaments, tendons and bursae, which is characterized by gradually increasing shoulder pain, especially at night, and increasing restriction of shoulder joint function, gradually relieving after reaching a certain level, until finally recovering completely. The main symptom of frozen shoulder is shoulder joint pain and limited mobility. The age of onset of the disease is around 50 years old, with a slightly higher incidence in women than in men, mostly in manual laborers. If not treated effectively, it may seriously affect the function of the shoulder joint. There may be widespread pressure pain in the shoulder joint that radiates to the neck and elbow, and there may be varying degrees of atrophy of the deltoid muscle. Currently, conservative treatment is preferred for frozen shoulder. Oral anti-inflammatory and analgesic drugs, physiotherapy, local closure of painful spots, massage and massage, etc. are used. At the same time, functional exercises of the joint, including active and passive flexion and extension, extension and extension, rotation and rotation, and circular rotation exercises are performed. If the above conservative treatment is not effective and the shoulder joint is still stiff, manual release under anesthesia or arthroscopic surgical release is feasible to restore the range of motion of the shoulder joint. Exercise therapy for frozen shoulder: 1. Upper limb drop and swing exercises. Stand by a table or chair with legs apart, lean forward with your upper body, hold the table with your healthy hand, the affected shoulder drops naturally, and do the back and forth, left and right arm swing exercises. 2.Take a standing position, hold a gymnastics bar in both hands, do double upper limbs lifting exercises at the same time 3.Take a standing position, hold a gymnastics bar in both hands, do double upper limbs swinging exercises left and right