The manifestations and early symptoms of high thyroid hormone are as follows: 1. Lack of body strength and sweating: Early on, there will be regular weakness of body limbs, abnormal profuse sweating, skin is always damp, and part of the unexplained low fever phenomenon; 2. Insomnia, anxiety, irritability and irritability: Do not ignore the regular insomnia of the organism, and there are often symptoms of excitement at night that make it difficult to sleep, and there are big changes in mood. There are changes in temperament, such as suspiciousness, anxiety, irritability, irritability, etc.; 3, frequent diarrhea, anorexia: in the early stage of thyroid hormone increase, the main clinical manifestation is loss of appetite, anorexia, often accompanied by unexplained diarrhea symptoms; 4, diffuse enlargement of the thyroid gland; 5, female menstrual changes: the symptoms are reduced menstruation, prolonged cycle or amenorrhea. Menopausal patients show menstrual confusion, with some menstruation decreasing, shortening, and prolonging cycles until complete amenorrhea; others have shortened menstrual intervals, increased menstrual flow, and irregular vaginal bleeding until menopause; 6. Increased heart rate: Since thyroid hormones produce excitation and stimulation of the heart, which leads to increased myocardial oxygen consumption and increased burden on the heart muscle, it can lead to a series of symptoms such as palpitations, chest tightness, shortness of breath, and The heart rate is found to reach 100-120 times/minute during physical examination, and can be faster when sleeping and quiet; 7, hypersensitivity: manifested as hypersensitivity symptoms such as agitation and impatience, while menopause manifests as irritability, depression, inattention and memory loss; 8, eye symptoms such as eye protrusion.