The current treatment for hypothyroidism is oral levothyroxine sodium replacement therapy, with regular monitoring of thyroid function to adjust the dosage. Patients of different genders and ages have different goals for thyroid function control and different dosages of medication, and finding the right dosage of medication is the best treatment plan. The causes of hypothyroidism are complex, with primary causes being the most common. Hypothyroidism can cause several system functions to be impaired, causing symptoms such as memory loss, low blood pressure, facial hypoplasia, dry skin, flaking, etc. In severe cases, it can also cause cardiac and renal failure. Usually, you have to take your medication on time and have regular checkups and rest. In terms of diet, you should not eat foods with high salt content and greasy nature, and supplement eggs, meat, vegetables, fruits and other foods appropriately in order to increase the intake of vitamins and proteins.