The generic name of Eugenol is Levothyroxine Sodium Tablets, and the dosage of Levothyroxine Sodium Tablets needs to be based on the specific condition, which is usually started at 25μg/day, and the maintenance dosage for adults is about 75~125μg/day. The initial dosage of levothyroxine sodium tablets for adults is usually 25~50 μg/day, if there is no obvious discomfort symptoms (such as arrhythmia, angina, headache, vomiting, etc.), it can be increased by 25~50 μg every 2~4 weeks until the maintenance of normal thyroid function, which is usually 100-150ug, and the maintenance dosage for adults is about 75~125 μg/day. For the elderly or patients with cardiac insufficiency, the starting dose should be lower, 12.5-25 μg/day, and the dose can be increased by 12.5-25 μg every 3-4 weeks. The dosage of levothyroxine sodium tablets should be adjusted according to the specific condition under the guidance of specialized physicians, and the relevant laboratory indexes should be tested regularly.