Post-operative subtalar arthritis mainly has symptoms such as pain, swelling and activity limitation. 1. Pain: After heel surgery, patients often suffer from uneven stress on the subtalar joint, which causes subtalar arthritis. Local inflammation stimulates the peripheral nerve endings, and patients may suffer from localized pain, which is especially aggravated when walking on uneven ground. 2. Swelling: Due to inflammation, edema and exudation of the subtalar joint, patients may have localized swelling of the subtalar joint. 3. Restriction of activity: due to pain, patients often dare not move, with the progress of the disease joint deformity and atrophy of the surrounding muscles, patients further restriction of activity. Patients with postoperative subtalar arthritis, if the above symptoms are serious, or if the symptoms persist and do not get better, they should go to the hospital in time to avoid adverse consequences.