Myasthenia gravis (MG) is a T cell-regulated,antibody-mediated autoimmune disease.Impaired neuromuscular transmission characteristic of MG results from antibodies against the nicotinic acetylcholine receptor (AchR) of skeletal muscle.Myasthenia Crisis is characterised by a fast, markedly decrease of muscle strength and compromise of bulbar muscles with dysphonia, dysphagia and aspiration.Tranditional Chinese Mddicine(TCM) consider MG belong to LianFei,BaoChui, TouQing,Daqixiaxian.Through compensate spleen a...