Leg pain is not necessarily to grow taller, there are many reasons for leg pain, it may be growing pains, it may also be overwork, lack of calcium, knee joint disease, neuropathic pain, lower extremity vascular disease, and so on. 1. Growing pains: often occurring in the teenage population, due to bone growth faster than the surrounding fascia ligaments and other tissues caused by the pulling pain, usually more pronounced pain at night. 2. Overexertion: Due to the accumulation of lactic acid in the muscles caused by overwork or excessive exercise, patients may experience symptoms of leg pain. 3. Calcium deficiency: mostly seen in patients with calcium deficiency, due to the contraction and spasm of the lower limb muscles, patients may experience symptoms of leg pain. 4. Knee joint disease: such as trauma caused by knee meniscus, ligament and other injuries, or bone tumor patients may appear leg pain. 5. Neuropathic pain: such as lumbar intervertebral disc herniation compression of the nerve, sciatic neuropathy and other diseases, causing nerve damage, patients may experience leg pain, numbness and other symptoms. 6. Lower extremity vascular diseases: such as lower extremity arterial embolism, venous thrombosis, varicose veins lead to poor blood circulation in the lower extremities, can also cause leg pain. Therefore, there are many reasons for leg pain, and it is recommended that patients should consult the hospital in time, complete the relevant examinations, clarify the causes of leg pain, and take further treatment measures if necessary.