Swelling and pain in the right heel mostly refers to the swelling and pain in the right heel, and the common causes are physiological phenomenon, heel bursitis, Achilles tendon injury, gout and so on. 1. Physiological phenomenon: due to poorly fitted shoes, long-distance running, etc., the heel part of the repeated mechanical friction, caused by the heel of the skin, subcutaneous tissue damage, thus appearing in the right heel swelling and pain, which is a normal phenomenon. 2. Posterior heel bursitis: due to long-distance running, tight shoes, hiking, etc., repeated friction and stimulation of the heel, resulting in injury to the posterior heel bursa, causing localized aseptic inflammation, which will also cause swelling and pain in the heel. 3. Achilles tendon injury: due to excessive flexion of the ankle joint or trauma during exercise, the Achilles tendon is partially damaged or even completely ruptured, resulting in swelling and pain in the heel. 4. Gout: If you eat animal offal, seafood and other foods for a long time, causing hyperuricemia, urate deposition in the ankle joint, there will also be swelling and pain around the ankle joint, which may be accompanied by difficulty in ankle joint movement, fever and so on. Causes of swelling and pain in the right heel are more reasons, may also be related to Achilles tendonitis, infection, tumors and other diseases, if the symptoms continue to be unrelieved, it is recommended to consult a doctor in time to clarify the cause of the disease, targeted treatment.