Hand to back shoulder pain consider biceps long head tenosynovitis, rotator cuff injury, frozen shoulder and so on. Depending on the condition, medication, physical therapy and surgery can be taken. 1. Biceps tenosynovitis: non-steroidal painkillers can be applied, such as nimesulide dispersible tablets or diclofenac sodium enteric-coated tablets under the guidance of the doctor, local closed injections can be taken, and ultrasound physiotherapy is usually applied. 2. Rotator cuff injury: if the ligament is partially damaged, it can be treated conservatively by applying ultrasonic physiotherapy or infrared physiotherapy, taking oral capsules to promote the healing, and applying abduction brace to fix it for 1 month, if the ligament is completely ruptured, it needs to be repaired by surgery. 3. Frozen shoulder: you can perform massage, oral muscle relaxation drugs such as etoperisone or chlorzoxazone, etc., you can also apply wax therapy, intermediate frequency pulsed electro-physiotherapy and so on. Hand to back shoulder pain may also have many reasons, rest without relief need to go to the hospital to check the cause of the disease for targeted treatment. The use of drugs need to follow the doctor’s instructions.