Factors that aggravate myasthenia gravis: high temperature, stress, infection and overexertion. Drugs that are contraindicated in patients with myasthenia gravis: quinine, quinidine, procainamide, penicillamine, psilocybin, phenytoin, lithium, tetracycline, lincomycin and aminoglycoside antibiotics. Drugs of caution are Valium, Phenobarbital and other sedatives. Daily life diet should be noted: 1, reduce the intake of milk and dairy products, replace animal protein with vegetable protein. 2, reduce margarine, vegetable butter, margarine, shortening and other foods containing trans fatty acids, stay away from fried foods; it is advisable to consume olive oil. 3.Increase the intake of omega-3 fatty acids, such as tuna and salmon. 4.Eat more organic fruits and vegetables. 5.Eat more ginger and turmeric. 6, eat more potassium-containing foods; such as oranges, bananas, tomatoes, broccoli and almonds.