Pain on the outside of the right ankle can be related to trauma, arthritis and other causes. Trauma to the right foot such as accidentally breaking your foot while walking can cause soft tissue and ligament damage to the outer ankle area, and in severe cases, it can cause outer ankle bone fracture, which will result in swelling and pain. Right ankle osteoarthritis, rheumatoid rheumatoid arthritis, gouty arthritis and other diseases, can cause ankle joint articular cartilage and other structural damage will also appear pain. After intense exercise, the ligaments and joint capsule in the ankle area may be pulled repeatedly, which may cause transient pain. If you experience pain on the outside of your right ankle, it is recommended that you go to the hospital for a complete examination and receive regular treatment.