With the recent further decrease in temperature, many patients in the pain department of tertiary hospitals have gradually increased. The reporter recently interviewed in Nanjing major hospitals and found that many “frozen shoulder” patients have encountered the problem of long-standing treatment, what is going on? Mr. Qin, a citizen who lives in Qixia District, recently felt discomfort in his shoulder and was diagnosed with frozen shoulder when he went to the hospital near his unit, and his symptoms did not improve after a week of treatment. Later, at the suggestion of a colleague, he went to the pain department of the Nanjing Hospital of Integrative Medicine, and the pain was significantly reduced after the first treatment. But the doctor told her that what he had was not frozen shoulder, but thoracic outlet syndrome. Patients like Mr. Qin will encounter many in the clinic, and at least 30% of patients with shoulder pain mistake themselves for frozen shoulder, and even some inexperienced doctors misdiagnose.” Zhou Jianbin said that in addition to thoracic outlet syndrome, cervical spondylosis and upper chest occupying lesions can have symptoms similar to frozen shoulder, which need to be carefully identified, otherwise the best treatment time will be delayed instead. Take Mr. Qin as an example, his main symptoms are caused by the compression of the brachial plexus nerve. Although the pain in the affected shoulder and upper extremity, which increases when the shoulder is abducted and internally rotated, is somewhat like frozen shoulder, the severity of the development of the disease is more powerful than frozen shoulder, and in severe cases, abnormal sensation in the forearm and ulnar side of the hand may occur, and even muscle paralysis may occur. The clinical symptoms of thoracic outlet syndrome are mainly coldness in the arm, easy fatigue or dull pain in the shoulder arm or hand, which are generally more difficult to identify. Therefore, it is recommended that patients should go to the pain department of the hospital to see a senior doctor in time to avoid misdiagnosis.