Calf muscles feel hard, considering a muscle spasm, especially after labor or exertion, some patients in competitive sports, easy to appear this phenomenon, the patient will also have localized pain, and even spasmodic muscle contraction, you can choose the method of hot compresses, local hot compresses can improve the symptoms. The most common cause of muscle stiffness is the accumulation of local lactic acid, muscle spasm, the patient will also be accompanied by obvious pain in the lower limbs and the symptoms of distal limb numbness. Usually should pay attention to appropriate exercise, not excessive exertion. Pay attention to the protection of limbs and muscles, exercise can wear compression stockings, can promote venous blood return, alleviate or prevent the occurrence of adverse events, in serious cases can be through the local hot compresses or local injection of drugs to reduce the patient’s discomfort.