There are many kinds of thyroid diseases, and the manifestations of different diseases are different. Hyperthyroidism is characterized by trembling hands, excessive sweating and palpitations; hypothyroidism is characterized by fatigue and bradycardia; and thyroiditis is characterized by enlargement of the thyroid gland and localized pain. 1. Hyperthyroidism: mainly manifested as hand tremor, excessive sweating, palpitations, irritability, irritability, emaciation, hyperphagia, diarrhea, progressive muscle weakness and other symptoms, women can be seen to reduce menstruation or amenorrhea performance. 2. Hypothyroidism: symptoms such as fatigue, drowsiness, dry and cold skin, memory loss, depression, anorexia, bloating, constipation and other symptoms. 3. Thyroiditis: such as subacute thyroiditis, Hashimoto’s thyroiditis, etc., which may be manifested as enlargement of the thyroid gland, localized pain in the neck and other manifestations. The above are common clinical manifestations of thyroid diseases. If you are not feeling well, you should consult a doctor as soon as possible to find out the specific cause of the disease and to treat the cause in a timely manner.