Myasthenia gravis is an autoimmune disease. At present, Western medicine treatment of myasthenia gravis effect is poor. Fortunately, Chinese medicine has show advantage in treatment of myasthenia gravis. Professor LIU Fengbin came up with Qi deficiency of the spleen and stomach, spleen kidney related theories in treatment of myasthenia gravis. To be specific, he stressed that spleen and kidney as the basic, tonifying Qi, soothing the liver, clearing heat, drainning dampness and using traditional Chinese medicine for dispelling wind and heat in the treatment of exogenous are important to prevent this disease. He advocated ,Buzhong Yiqi, Decoction and invigorating kidney medicine for the treatment of myasthenia gravis.Guiding patients diet and regulating emotions are also show great significance in improving the symptoms, slowing the progression of the disease, reducing recurrence rate and side effects of Western medicine.