The patient suffered from acromioclavicular impingement and a huge bone spur under the acromion, treated as frozen shoulder for several years, tried acupuncture, physiotherapy, small acupuncture, Chinese medicine, closure, everything, but to no avail. Li Guodong of the Department of Orthopedics of Shanghai Tenth People’s Hospital: Specialist clinic hours: Monday afternoon, Thursday morning. Specialized outpatient time: Monday morning, Wednesday all day. Hospital Address: No. 301, Yanchang Middle Road, Shanghai