Triangular ligament pain can be treated by general treatment, physical therapy, medication and surgery. 1. General treatment: After the injury, we should pay attention to rest, reduce the stimulation of the affected area, and at the same time, we can elevate the affected limb to promote blood return. 2. Physiotherapy: Cold compresses can be applied to the affected area during the acute injury period to help reduce inflammation and relieve swelling and pain. In the recovery period, hot compresses can promote blood circulation and reduce swelling. 3. Medication: non-steroidal anti-inflammatory and analgesic drugs, such as diclofenac sodium, can be applied to alleviate the pain to play a certain role. 4. Surgery: If the deltoid ligament is mildly damaged, it can be fixed with plaster or brace. If the injury is serious, the ligament will be ruptured and need to be repaired by surgery. When the deltoid ligament pain, you can go to the hospital to further identify the cause of the disease, and then targeted treatment. The above treatments need to be carried out under the guidance of a physician.