Frozen shoulder treatment with knife is feasible from the medical point of view. According to the patient’s own situation and the progress of the disease, the therapeutic effect may vary, but theoretically speaking, the treatment of frozen shoulder with knife is in line with the logic of medical science. Small needle knife is a national Class II medical device, with the dual function of needle and knife cutting, for the joint meridian adhesion problem has a better therapeutic effect, for the lesion site around the tissue adhesion, contracture and other phenomena can be added to the number of loosening, so as to achieve the purpose of treating the disease. Frozen shoulder refers to chronic inflammation of the joint capsule of the shoulder as well as its surrounding tendons, ligaments and bursa, etc. Tissue adhesion and contracture may occur, resulting in numbness and pain after compression of the nerves and blood vessels, so theoretically, the treatment of the knife can play a certain role in the treatment of the disease. Patients should go to regular hospitals to receive professional treatment, in addition to surgical treatment, patients can also consider drugs, physical therapy and other ways to deal with, knife is not the only way of treatment.