There are several common causes of heavy feet: first, the elderly muscle strength gradually decline, there is obvious muscle atrophy, manifested as heavy, weak, especially in the up and down stairs or squatting symptoms are obvious, daily adhere to the lower limb muscle strength training, enhance muscle strength and strength, can slow down the speed of muscle atrophy and improve the heavy, weak symptoms; second, lumbar spinal stenosis, when the lumbar spine central spinal canal and Second, lumbar spinal stenosis, when the central spinal canal and nerve root canal of the lumbar spine is narrowed, resulting in pressure and insufficient blood supply to the spinal cord and nerve roots, the lower limb muscles lose normal innervation, which can cause heavy feet and weakness symptoms, after physical therapy, massage, lumbar traction, surgical decompression of the spinal canal and other treatments, heavy feet and weakness symptoms can be relieved.