Sudden pain in the joints of the arm can be caused by several reasons: first, humeral epicondylitis or humeral medial epicondylitis, these two diseases are common in patients who play badminton, tennis or golf, and can also be seen in women who have been doing housework and labor for a long time, when there can be sudden pain in the joints of the arm, especially when carrying heavy objects in the upper limbs, the pain is very obvious, and this should be checked and examined early, and early Physiotherapy and closed treatment are necessary. Second, shoulder joint disease, when the shoulder joint has frozen shoulder or rotator cuff tears, there can also be shoulder joint pain, which can be sudden, then it is necessary to check the body and check the shoulder joint X-ray, CT, MRI for diagnosis and early treatment. If the condition is severe, surgery may also be required.