With ankle sprain edema, bloodletting is usually ineffective, and the correct approach should be braking, cold compresses, medication, and so on. After an ankle sprain, the sprained area will have damage to soft tissues, tendons and ligaments, resulting in pain, swelling, subcutaneous blood accumulation and other symptoms. Usually this bruising is caused by the rupture of red blood cells and the distribution of hemoglobin to the subcutaneous skin, and bloodletting therapy has no significant effect. After the ankle joint sprain, patients should rest fully and limit the activities of multiple parts to avoid damage to blood vessels, nerves and other surrounding tissues due to repeated activities of the injured part. Secondly, cool towels or towels wrapped in ice should be used to apply ice packs to help reduce swelling and pain. If the pain of ankle sprain is unbearable, you can choose non-steroidal anti-inflammatory pain relieving drugs under the guidance of the doctor to ease the pain, commonly used drugs are celecoxib, ibuprofen and so on. When the patient has ankle sprain edema, should be under the guidance of professional doctors, according to the actual situation to choose targeted treatment.