Thyroid cancer is more common in women than men, and it is more common in 60-69 years old. So, what are the things that need to be noted in the diet after thyroid cancer surgery? The post-operative diet of thyroid cancer should be noted as follows: 1. The structure of recipes should be reasonable, and recipes for cancer patients should not be simple and single. When making recipes, it is necessary to combine light and high nutrition with high quality, soft and easy to digest and rich in vitamins, fresh and hot, warm and flat taste of food, total supply and the combination of cold and hot deficiency of the patient’s internal organs. It is best to do so under the guidance of a doctor. 2, cooking methods and eating methods to be sophisticated, trying to enhance the patient’s appetite in the selection of food, production, cooking, should create a good sense of food traits, in the taste, color, fragrance, shape, as far as possible to suit and meet the patient’s taste and habits. According to the patient’s digestive ability, we should also take a small amount of meals, coarse and fine, fluid, alternating soft and hard food, and sweet and salty food. Create a pleasant atmosphere when eating, and try to eat with relatives. Before eating, try to avoid the smell of oil and smoke and other adverse stimuli. During the interval between radiotherapy and chemotherapy, seize the favorable opportunity to supplement nutrition when the appetite improves. The total calorie intake of cancer patients is generally not lower than the minimum requirement of normal people, i.e. more than 10 kJ per day, because the protein decomposition in cancer patients is high, the anabolic function is reduced, and the nutrition is in a negative nitrogen balance, so the demand for protein should be increased. Generally, the daily protein intake should be more than 1.5 grams of body weight, and it should be mainly high-quality protein, such as eggs, milk, meat, soy products, etc. 4, nutrition should be relatively balanced, according to the needs of the patient, the nutrients should be relatively appropriate amount, complete, in addition to adequate quality protein intake, generally should be low fat, moderate carbohydrate based. Pay attention to the supplementation of vitamins, inorganic salts, fiber, etc., which can be obtained from fresh vegetables and fruits.