The performance of abnormal thyroid function is mainly divided into hyperthyroidism symptoms such as panic, wasting, protruding eyes, etc.; and hypothyroidism symptoms such as fatigue, cold limbs and swelling. Hyperthyroidism can be inhibited by oral administration of methimazole tablets to inhibit the synthesis of thyroxine, and hypothyroidism can be treated by the use of thyroxine, so it is recommended that patients with abnormal thyroid function should consult a doctor in time. 1. Clinical manifestations The symptoms of hyperthyroidism include panic attacks, weight loss, and bulging eyes, as well as diarrhea, hyperphagia, and agitation. Symptoms of hypothyroidism include fatigue, cold limbs, swelling, constipation, pericardial mucous edema, anemia, and fatty liver. 2. Treatment Hyperthyroidism is caused by high levels of thyroxine in the body, so it needs to be treated by oral administration of antithyroid drugs such as methimazole, etc. Usually, it is necessary to avoid eating too much iodine-containing foods, such as kelp, jellyfish and other seafood. Hypothyroidism is caused by a decrease in the level of thyroxine in the blood, so it is necessary to take oral levothyroxine sodium tablets to raise the level of thyroxine, and the adjustment of thyroxine medication needs to be carried out in the endocrinology specialist clinic. There are still many clinical manifestations of abnormal thyroid function, treatment needs to be based on the specific hyperfunction or hypothyroidism, it is recommended that under the guidance of endocrine specialists to choose reasonably and carefully, to avoid blind use of medication in order to avoid misunderstanding the condition.