Inclusion Criteria:  1. Primary frozen shoulder 2. Older than 18 years of age and less than 75 years of age 3. The SHOULDER PAIN VAS SCORE IS GREATER THAN 3 POINTS AND LASTS AT LEAST 1 MONTH AND LESS THAN 9 MONTHS 4. The passive activity of the side shoulder joint in at least 2 directions in the three directions of front, internal and outer rotation decreased by more than 30 degrees compared to the side shoulder joint or the normal reference value 5. corticosteroid injections were not given within 3 months of visit  Exclusion Criteria:  1. A history of trauma, osteoarthritis, tumors, etc. 2. Combined shoulder sleeve injury with magnetic resonance or B-mode ultrasound confirmed 3. There is a history of corticosteroid injections within 3 months of visit 4. Suffer from a partial infection of the side shoulder or other cases where there is a contraindication of shoulder injection 5. Both side shoulder joints become ill at the same time 6. The patient has not signed an informed consent form