If the ankle joint is painful and there is no obvious history of trauma, the common causes are as follows: 1. Pain caused by chronic strain injury, acute injury can produce pain, and chronic injury can also produce pain. If chronic strain accumulates to a certain degree, it can cause cartilage damage and bone damage in the ankle joint, as well as chronic damage to the ligaments and soft tissues around the joint, all of which can cause pain. It is usually possible to change the daily work and exercise habits and carry out the corresponding symptomatic treatment.2. Synovitis, which can be seen in the ankle joint, is usually accompanied by swelling of the ankle joint, and in severe cases, redness and swelling, and in this case there is no obvious history of trauma, and pain in the ankle joint can occur.3. Arthritis, which can be seen in the ankle joint, can be caused by a variety of reasons, including gouty arthritis, traumatic arthritis, and It is the arthritis caused by previous old injuries, as well as rheumatoid arthritis and rheumatoid arthritis, which can also cause ankle pain without an obvious history of trauma, and the relatively rare bony swelling of the ankle joint can also lead to ankle pain.