As a disease with neuromuscular transmission disorder, myasthenia gravis should be avoided by using drugs that can aggravate the neuromuscular transmission disorder. If they must be used, they should be used under the guidance of a medical professional after repeated deliberation and weighing the pros and cons. Some common drugs that should be avoided in daily and clinical practice in patients with severe muscle are listed. ① Prohibited anti-infective drugs: streptomycin, dihydrostreptomycin, kanamycin, gentamicin, neomycin, viomycin, tobramycin, bacitracin, polymyxin, tetracycline, ampicillin, erythromycin, etc.; ② Prohibited cardiovascular drugs include: lidocaine, quinidine, benzathine, cardioplegia, isoptin, etc.; ③ Prohibited antiepileptic drugs include: phenytoin sodium, ethosuximide, etc.; ④ Prohibited anti ④ Prohibited antipsychotic drugs include: chlorpromazine, diazepam, clonazepam, etc.; ⑤ Prohibited narcotic drugs include: morphine, dulcolax, etc.; ⑥ Hormonal drugs caution: glucocorticoids are effective drugs for the treatment of myasthenia gravis, but they should be used with caution, under the advice of a medical professional, and should be closely observed and the dose of cholinesterase inhibitors should be adjusted accordingly if necessary; ⑦ Other prohibited drugs include: penicillamine, chloroquine, etc. Chloroquine, etc. It should be noted that some traditional Chinese medicines and proprietary Chinese medicines should be avoided (e.g. Toadstool and some of its proprietary Chinese medicines such as Liu Shen Wan, Throat Disorder Spirit, etc., Pearl Layer Powder (use with caution), Xiang Dan Injection) and parents should also be reminded not to give children with myasthenia gravis to take various commercially available nutritional products claiming to contain immune enhancing effects, and to avoid the use of medicinal immune enhancers (e.g. Thymidine, etc.).