The best time to repair thyroid surgery scars is usually up to 3 months after surgery, after more than 3 months, scars tend to proliferate significantly. Localized skin scarring is usually a problem after thyroid surgery treatment. Within 3 months after surgery, the degree of scar proliferation is not particularly obvious, so it is the best time for scar repair, and you can consider treating it with topical drugs that inhibit scar proliferation, such as silicone gel and cumquat ointment. If the time after thyroid surgery is more than 3 months, it will produce the phenomenon of localized scar proliferation obviously, so it is difficult to repair completely. In the later stage, it may affect the appearance and even produce localized contracture of the soft tissues of the skin. After thyroid surgery, early attention to maintain hygiene and cleanliness of the wound, to prevent the phenomenon of infection. In the process of scar repair, can not smoke and drink alcohol, avoid skin exposure to the sun, keep the local skin clean and hygienic, and can not eat spicy and stimulating food, otherwise it is easy to affect the effect of repair.