Western medicine treats lower extremity muscle weakness by applying anticholinesterase drugs and immunosuppressants. Anticholinesterase drugs include neostigmine and enzyme inhibitors (or mexiletine), which have side effects such as pupil dilation, hypersalivation, sweating, abdominal pain, and diarrhea, and can be counteracted with atropine. Immunosuppressants are mainly corticosteroids as well as cyclophosphamide. In addition, surgical therapy is suitable for patients with thymoma. Chinese medicine refers to lower limb muscle weakness as impotence, and clinically, Chinese medicine treatment of lower limb muscle weakness also has certain effects, through internal Chinese medicine plus rehabilitation exercises, also achieved certain results.