Pay attention to rest, avoid exertion, mental stress, mood swings, and avoid infection. If high fever, profuse sweating, tachycardia, irritability, anxiety, nausea, vomiting, diarrhea occur, please seek medical attention promptly. Avoid vomiting on the day of treatment and take anti-emetic drugs. Drink more water and urinate more often within 2 days; Keep distance of more than 1.8m from family members within 1 week and avoid sharing utensils; Avoid prolonged close contact with children and pregnant women within 1 week to 1 month; Avoid urine and feces contamination of clothes or bathroom during defecation and flush several times after defecation; Contraception should be used within 6 months and consider pregnancy after thyroid hormone level is normal.