The causes of summer calf soreness include cold, fatigue, lack of calcium and other reasons, it is recommended to identify the cause of treatment. 1. Cold: summer clothes are thin, legs without warming measures, often blowing air conditioning, electric fans, etc. lead to leg muscle cold twitching, soreness and swelling, can be relieved by warmth, hot water foot soak, and avoid prolonged blowing air conditioning, electric fans. 2. Excessive fatigue: Prolonged engagement in heavy physical labor, excessive exercise, etc. leads to the accumulation of lactic acid in the legs, the metabolism slows down the feeling of soreness in the legs. It can be relieved by rest, hot compress and massage. 3. Calcium deficiency: Calcium deficiency can also appear as a symptom of calf soreness, timely compliance with the doctor’s advice to supplement calcium with vitamin D, to promote calcium absorption. Summer calf soreness is also seen in lumbar spinal stenosis, varicose veins and other diseases of the lower extremities, should be timely to the hospital, improve the examination to clarify the cause of the disease, give targeted treatment or treatment.