Whether a sprained hamstring can heal on its own depends on the specific degree of the sprain, which varies according to the degree of the sprain. If the sprained hamstring is relatively mild, just a mild strain, there is no obvious rupture, there is no obvious edema and activity limitation, you can carry out self-conditioning, reduce activities, bed rest, and elevate the lower limbs, local cold compresses can be healed. If the sprain of the hamstring is more serious, partial fracture or combined with avulsion fracture, it will affect the stability of the ankle joint, and is often accompanied by obvious edema and pain, if not treated in time, traumatic arthritis may occur, affecting the normal walking, you need to be evaluated by a professional doctor, take external fixation or surgical treatment, and according to the recovery situation, gradually carry out rehabilitation exercises. Therefore, after the ankle sprain, we should go to the regular hospital in a timely manner, and follow the doctor’s instructions for timely treatment, can not blindly look forward to self-healing, to prevent serious consequences.