There are many reasons for the soreness of the calf muscles of the elderly, the common ones are excessive exercise, lumbar disc herniation, varicose veins of the lower limbs, calcium deficiency and so on. 1. Excessive exercise: If the old man carries out excessive exercise or overwork of the lower limbs, it can lead to the accumulation of lactic acid in the calf muscles locally, causing soreness of the calves, which is generally physiological and can be relieved after rest. 2. Lumbar intervertebral disc herniation: the elderly due to degenerative changes in the lumbar intervertebral disc, the nucleus pulposus or annulus fibrosus protrudes or prolapses, compression of the peripheral nerves, calf muscle soreness, numbness and other symptoms can occur. 3. Varicose veins of the lower limbs: when the elderly suffer from varicose veins of the lower limbs, the poor circulation of blood in the calf area leads to ischemia and hypoxia of the calf muscles, resulting in soreness of the calf muscles. 4. Calcium deficiency: Calcium deficiency will cause calf muscle pain, often accompanied by twitching hands and feet, numbness around the mouth and other symptoms, serum electrolyte test can be a clear diagnosis. Calf muscle pain in the elderly may have other causes, such as thromboembolic vasculitis, trauma, myofasciitis and so on. If the rest does not relieve, it is recommended to go to the hospital in time to improve the examination to clarify the cause of the disease, standardized treatment under the guidance of the doctor, so as not to delay the condition.