After thyroid nodule surgery, hospitalization is usually required for 2-3 days. Thyroid surgery incision belongs to class I incision, it is a sterile incision, the infection rate is very low, there is localized accumulation of fluid or redness and swelling in the incision after the operation, which can be absorbed by itself, and it is enough to be hospitalized for a few days for observation. Postoperative patients twist their head violently or cough violently, causing the incision or surgical area to tear, resulting in bleeding, the routine retained drainage tube can drain out a small amount of bleeding, and then pressurized treatment, the wound can be closed on its own, you should be hospitalized for a few more days, continuous observation.