Right side headache caused by right frozen shoulder can be treated by physical therapy, strengthening functional exercise and oral medication. Frozen shoulder alone does not usually cause headache on the right side, but if frozen shoulder is combined with cervical spondylosis, it can cause headache on the right side. You can improve the local blood circulation and relieve the pain symptoms through hot compresses, massages and tuina on the neck and shoulders. Functional exercise can also be strengthened to alleviate the symptoms, such as frozen shoulder can do climbing wall movement, back rubbing movement, etc., cervical spondylosis can do cervical spine meter word exercise, neck shrugging and other movements. When doing functional exercises with more obvious pain, you can take anti-inflammatory and analgesic drugs to relieve pain, such as diclofenac sodium, meloxicam and so on. If the cervical spondylosis is more serious and the spinal nerves are obviously compressed, surgical treatment such as posterior cervical spine opening and decompression, etc., and at the same time, under anesthesia, specific movements can be made to release the adhesion of the shoulder joint. If the symptoms of headache on the right side caused by right shoulder periostitis occur, it is recommended that the patient go to the hospital for medical examination, to clarify the cause of the disease, and receive regular treatment. The use of drugs need to follow the doctor’s instructions.