After radical surgery for thyroid cancer, you need to abstain from eating water, including liquid diet, for a short period of time. Because after thyroid surgery, for the resection range is relatively large, if eating water too early, it is easy to cause swallowing, to the wound around and ligated perithyroid blood vessels, causing irritation, bleeding may be. After 24 hours of postoperative fasting, if there is no obvious bleeding and hoarseness, choking on drinking water, you can eat appropriate fluids, including fruit juice, 3 days after the operation gradually increase fluids, semi-fluids, fruits can be eaten watermelon, apples, bananas, etc., to a small amount of the main. Therefore, the postoperative care of thyroid cancer should pay attention to diet, and at the same time, avoid eating spicy and stimulating food, so as not to stimulate the incision, when coughing occurs, causing bleeding of the incision, or delaying the healing of the situation.