The exact duration of TCM treatment for myasthenia gravis varies from person to person and cannot be generalized. Myasthenia gravis belongs to the category of “impotence” in traditional Chinese medicine, which refers to a category of disease in which the limbs are impotent and weak and cannot move freely. The causes of limb impotence are very complicated, internal injuries to emotions, external dampness and heat, fatigue and lust, medicine and poison injuries, congenital deficiency to the five visceral essence damage, insufficient essence and fluids, qi and blood loss, the muscles and tendons are not nourished, resulting in impotence. Lung-heat and fluid damage (heat in the lungs that continuously depletes the body’s fluid) can be treated with Clearing Dryness and Rescuing Lungs Tang to clear heat and moisten the lungs (removing heat to nourish the lungs), and moistening the tendons and veins; Dampness-heat infiltration can be treated with Jiawei Ermiao San to clear heat and promote dampness (removing heat and dampness from the body), and to facilitate the tendons and veins. Specific medication is recommended to be used according to the doctor’s prescription after the doctor’s diagnosis. The specific treatment time is related to the patient’s own physical condition and the severity of the disease, and it is recommended to adhere to the treatment under the guidance of the doctor to strive for early recovery.