Calf stomach pain four weeks after Achilles tendon surgery can be localized hot compresses to relieve pain. Generally speaking, after Achilles tendon surgery, due to the long recovery time, the calf activity is less, the soreness is generally normal, without special treatment. After Achilles tendon surgery requires braking and immobilization, muscle activity during the recovery period, the muscle may spasm or atrophy, resulting in pain in the calf. This pain is generally normal and does not require special treatment. Patients with significant pain can use hot towels, localized hot compresses or physical therapy on the painful area to relieve symptoms. However, at the same time, it should be noted that when the pain is severe or accompanied by swelling, hematoma, activity restriction and other abnormalities. It may be caused by the incision being infected and triggering inflammation. It is recommended to go to the hospital for follow-up examination in time.