Soreness in the calves of young people is not necessarily a disease, it may be physiological soreness, such as walking too much, a lot of exercise and other causes. It may also be caused by varicose veins of the lower limbs, hypocalcemia, flat feet and other reasons. 1. Varicose veins of the lower limbs: If young people have soreness in the calves, it may be caused by varicose veins of the lower limbs. The patient’s lower extremity varicose veins are like earthworms, obviously protruding from the skin, skin pigmentation, and there is soreness in the legs. 2. Hypocalcemia: the clinical manifestation of hypocalcemia is usually an increase in neuromuscular excitability, and patients with milder conditions may experience numbness of the limbs, tingling, and soreness of the calves. 3. Flat feet: If you have flat feet, it is easy to cause the calf gastrocnemius muscle tension spasm, so the calf muscle soreness. There are many reasons why young people have sore calves, they should go to the hospital in time to check the cause of the disease, and actively treat under the guidance of the doctor.