Radiating pain in the right arm is mainly caused by cervical spondylosis, frozen shoulder, exertional diseases, trauma and nerve injury. 1. Cervical spondylosis: when the pain in the back of the shoulder radiates to the arm, cervical spondylosis is the first thing to be considered, and this kind of patient is often accompanied by numbness and obvious radiating pain in the hand because of the compression of spinal nerves. 2,Frozen shoulder: shoulder pain is the main, hand lifting, back extension activities are limited, after waking up in the morning is heavier, its treatment method is mostly choose anti-inflammatory painkillers such as celecoxib or strengthen the functional exercise. 3,Strain disease: elbow pain, such as tennis elbow, humeral epicondylitis, etc., the treatment includes rest, closed. 4,Trauma: radiating pain in the arm can also be caused by trauma, bruises, fractures and so on can cause painful sensations. 5,Nerve damage: this kind of patient is relatively more serious, the pain is more stubborn, need to go to the hospital for professional treatment. Radioactive pain in the right arm may also have other causes, such as neck-shoulder-arm syndrome, thoracic outlet syndrome, etc. It is recommended to consult a doctor in a timely manner, improve the relevant examinations to clarify the cause, and standardize treatment under the guidance of the doctor.