Hyperthyroidism refers to hyperthyroidism, which may result in going to the bathroom after eating. Hyperthyroidism mainly refers to the overproduction of thyroid hormone by the thyroid gland itself due to various reasons, which leads to increased excitability and hypermetabolism of the nervous, circulatory, digestive and other systems, resulting in increased peristalsis in the gastrointestinal tract, which may result in going to the toilet after eating. Patients with hyperthyroidism, common symptoms include fear of heat, trembling, fatigue, heart fatigue, palpitations, agitation, insomnia and dreaminess, sweating, increased frequency of eating and defecation, and weight loss, etc. It is necessary to follow the doctor’s instructions to take medicines such as methimazole tablets and propylthiouracil tablets to treat the condition, which can improve the related symptoms and reduce the occurrence of complications. If symptoms of hyperthyroidism occur, it is recommended to go to the hospital as soon as possible, according to the specific situation, follow the doctor’s advice, and actively cooperate with the treatment.