Leg cramps are particularly common in everyday life and are also called muscle spasms. It is actually a sudden, strong, involuntary contraction of the muscles in the calf that causes the calf muscles to suddenly become stiff and painful. When this happens, causing pain in the calf area, it is due to the excessive force and strain on the muscles in the calf area during the leg cramp, which causes muscle damage and edema in the calf area, and pain will occur. After this situation, the patient can apply heat to the calf area, as well as topical ointment for blood circulation and blood stasis, to promote the edema of the calf area and the recovery of the damaged muscle fibers can be. During the painful period, it is best for the patient to rest strictly in bed and avoid excessive weight bearing on the calf or repeated flexion and extension activities of the ankle joint.