Thyroid disease is a more common disease, and its surgical treatment has good efficacy, but after surgery, we also need to pay attention to various aspects such as diet to prevent complications. 1, the day of surgery 6 hours after surgery need to fast, and then you can give warm or cool liquid, semi-liquid diet, can reduce the pain caused by swallowing, such as porridge, thin rice, etc.. Drink plain water for the first time to prevent choking and coughing into the lungs.2. A light postoperative diet is preferred, as a light diet is not easy to stimulate the patient’s stomach and intestines, and helps the patient digest. 3, need to limit the food containing high phosphorus, such as milk, lean meat, egg yolk, fish, etc.. Patients can be given foods high in calcium and low in phosphorus, such as green leafy vegetables, soy products and seafood, etc. 4.If hand and foot twitching occurs after surgery and the symptoms are mild, oral calcium tablets and vitamin D can be taken. 5.It is not advisable to drink strong tea, coffee and beverages. To sum up, it is important to take food and medicine containing iodine correctly after surgery, and do not think that you can take food containing high iodine after surgery. Therefore, the postoperative diet needs to be guided by the advice of medical personnel.