The normal reference value of thyrotropin hormone is 2~10mU/L, 16mU/L is obviously high. The generic name of Eugenol is levothyroxine sodium tablets. If the patient simply has elevated thyrotropin hormone and normal levels of other hormones, it is considered that the patient may have subclinical hypothyroidism, and levothyroxine sodium tablets can be taken if necessary, but due to the condition or personal differences, the time of treatment cannot be generalized. Levothyroxine sodium tablets are mainly used for the replacement therapy of hypothyroidism, in which the levothyroxine and the human body thyroid gland secretion of the hormone effect is the same, involved in the growth, development and metabolism of the body. Subclinical hypothyroidism often has no obvious symptoms or signs, may show symptoms of hypothyroidism, such as fatigue, fear of cold, dry skin, lack of energy, etc. Laboratory tests may only have elevated serum thyroid stimulating hormone levels, FT3 and FT4 levels are normal. If the patient is accompanied by hypothyroidism, positive TPOAb, dyslipidemia or atherosclerotic disease, thyroid hormone treatment should be given; if the patient is not accompanied by the above conditions, regular monitoring of thyroid hormone changes should be carried out under the guidance of the doctor.