Right elbow pain hand numbness causes consistent with the left arm, common causes of exertion, nerve compression, synovial disease, heart disease, etc.. 1. Exertion: exertion caused by muscle strain, aseptic inflammation and other conditions may cause arm pain, if the local nerve compression may be at the same time the performance of hand numbness. 2. Nerve compression: nerve compression can cause numbness and pain in the arm, for example, the median nerve compression can cause carpal tunnel syndrome, the ulnar nerve compression can cause elbow tube syndrome, etc., cervical spondylosis compression of the nerve can also lead to arm pain and hand numbness symptoms. 3. Synovial disease: synovial edema, synovitis and other synovial diseases can cause arm pain and hand numbness due to local nerve irritation. 4. Heart disease: heart disease may cause shoulder pain and radiate to the arm, may be accompanied by chest tightness, arm numbness and other symptoms. Arm pain with hand numbness should go to the hospital in time to identify the cause and targeted treatment.