The hypersensitive thyroid stimulating hormone is low, which needs to be clarified and treated accordingly. Thyroid stimulating hormone is a hormone secreted by the pituitary gland to promote thyroid work. It interacts with and antagonizes with the thyroid gland. If the thyroid hormone level increases, the thyroid stimulating hormone will decrease. The pituitary gland is damaged by inflammatory surgery, which can also lead to low thyroid stimulating hormone, Some physiological factors, such as early pregnancy, may have a transient decrease. Because the structure of chorionic gonadotropin and thyroid stimulating hormone is similar, there may be a transient low thyroid stimulating hormone, which does not need treatment. In case of different degrees of hyperthyroidism, such as clinical hyperthyroidism, active treatment is required. In case of subclinical hyperthyroidism, which occurs at or above the age of 65, and is combined with atrial fibrillation or severe osteoporosis, the doctor makes a clear diagnosis and carries out corresponding treatment. In case of subclinical hyperthyroidism, which occurs in young people without arrhythmia or osteoporosis, regular reexamination is usually recommended, No treatment is required. If the pituitary gland is damaged due to various reasons, resulting in hypopituitarism, hormone replacement treatment is required.