Hyperthyroidism, or hyperthyroidism, is a group of clinical syndromes caused by the thyroid gland producing too much thyroid hormone, is not a contagious disease, is not contagious, and does not need to eat separately. Hyperthyroidism is an endocrine disease, a group of clinical syndromes caused by excessive production of thyroid hormones by the thyroid gland, including agitation, palpitations, fear of heat, excessive sweating, loss of weight, and hyperphagia. Causes of hyperthyroidism include diffuse toxic goiter (Graves’ disease), nodular toxic goiter, and autonomous high-functioning adenoma of the thyroid gland. It is not caused by a pathogenic infection, is not contagious, and does not require separate meals. Hyperthyroidism should be timely to the endocrinology department, can be under the guidance of the doctor to use anti-thyroid drugs such as propylthiouracil, methimazole, etc., also feasible iodine 131 treatment or surgical treatment.