For pain in the lower arm, the following methods can be used to relieve pain: 1. First, rest should be taken by braking, during which the injured limb should not be used to continue its activities. 2. If the pain occurs within 24 hours, cold compresses can be used, and it is generally recommended to use ice to apply cold compresses to the painful area for 10-20 minutes. If the pain lasts more than 24 hours, you can apply hot compresses instead. 3.Patients can take oral Nimesulide, ibuprofen, diclofenac sodium and other drugs to reduce inflammation and pain. 4.You can also apply safflower oil or Yunnan Baiyao spray to the painful area, and then assist in gentle massage, not too heavy, so as not to aggravate the pain. 5.If after the above treatment, there is no significant relief, patients must be early. If there is no obvious relief, the patient must go to the orthopedic department of a secondary or higher hospital as soon as possible to clarify the cause of this pain, and then targeted treatment, so as not to cause delay.