Symptoms of muscle weakness in the legs: 1. If the muscle weakness is caused by overexertion, or a long time in one position, you need to actively change your lifestyle, pay attention to rest, appropriate physical exercise, appropriate massage, massage, symptoms should be able to have a satisfactory recovery. 2. If it is caused by lumbar disc herniation or lumbar spinal stenosis, you need to undergo surgery or Nutritional nerve therapy, rehabilitation functional exercise. If the leg muscle weakness is caused by spinal cervical spondylosis, surgery needs to be actively carried out, the sooner the better, surgery may be the only good method of treatment, and after surgery, nutritional nerve therapy and comprehensive functional rehabilitation exercises need to be actively carried out. 3, if the nerve damage is caused by cerebral infarction or cerebral hemorrhage, which leads to leg muscle weakness, the first thing is to actively treat the brain disease and give nutritional Brain nerve medication, and then treat the related comorbidities. Therefore, when leg muscle weakness occurs, it is important to identify the cause and choose a reasonable treatment method.