Arm pain is a very common condition, there are generally the following causes: 1, when the muscles and fascia of the arm area have chronic or acute injury, if the degree of injury is not serious, there will be obvious symptoms of arm pain, and sometimes even numbness, this arm pain can be relieved by rehabilitation physiotherapy and oral analgesic drugs. 2, when engaged in long-term heavy physical labor, local muscle This is the case when a chronic strain exists within the muscles, thus showing arm pain, which can be alleviated and disappeared after a good rest. 3, when suffering from the symptoms of cervical disc herniation, the intervertebral disc compresses the nerve roots, resulting in radioactive pain and numbness of the limbs. If this symptom occurs, it is generally necessary to pay attention to rest and take oral blood circulation, analgesic and nerve-nourishing drugs to relieve. 4, after sudden strenuous activity, due to the accumulation of lactic acid in the muscle, thus showing arm pain, rest for a period of time can be.