There are various causes of leg soreness, such as growing pains, overwork, calcium deficiency, arterial stenosis of the lower limbs, venous thrombosis of the lower limbs and so on. It is not excluded to be to grow taller, it is recommended to consult a doctor for examination in time to clarify the cause. 1. Soreness in calves may be related to growing pains. Growing pains are mostly physiological pains caused by children’s relatively large activities, rapid growth of long bones, and uncoordinated growth and development of local muscles and tendons. 2. Narrowing of the arteries in the lower limbs, resulting in insufficient blood supply to the muscles, can also cause symptoms of leg pain, which is generally less common in adolescents. 3. Formation of venous thrombosis in the lower limbs can cause poor blood return to the legs, thus causing leg soreness. 4. Herniated discs in the lumbar spine, spinal stenosis and other diseases can cause nerve root compression in the legs, resulting in leg soreness. 5. Serious knee joint disease and knee joint infection can also cause leg soreness, which need to be clearly diagnosed and actively treated after the primary disease. 6. Walking for too long or excessive activities can easily cause muscle spasm and symptoms of calf soreness. 7. Calcium deficiency will cause an increase in the excitability of skeletal muscles throughout the body, which will easily cause local muscle spasms and symptoms of calf soreness or leg cramps. The symptoms of sore legs should be examined in time, avoiding the use of self-medication, and should be treated according to the diagnosis and medical advice.