Lower limb weakness, softness is mostly seen in the lack of exercise in the population, this part of the population is generally sedentary for a long time or obese patients, because of the lack of exercise, will lead to lower limb weakness, weakness, no special treatment, as long as through the participation in physical exercise, the leg muscles will gradually full, at this time the patient’s symptoms will be relieved. In addition, it is not excluded that it is due to the lumbar disc herniation compression of the nerves, resulting in lower limb weakness, weakness, this part of the patient is generally bending over and bearing more weight, and often long standing or sedentary, with lumbar pain or buttock pain accompanied by symptoms, at this time there will be weakness, weakness of the lower limbs. Spinal cord cervical spondylosis can also lead to weakness and tenderness of the lower limbs, and cervical spine magnetic resonance examination can be done to clarify the diagnosis and treatment. Finally, stroke patients may also experience a decrease in muscle strength, resulting in weakness and tenderness of the lower extremities.