After thyroid tumor surgery, patients often have heavy tissue damage and wounded vital energy, so in principle, they should be given a nutritious diet with high protein, high calorie and high vitamin, at this time, they should: 1. Take food that is easy to digest and absorb, such as soft rice, batter, rice soup, soybean milk, fish soup, etc. 2, in order to promote wound healing as soon as possible, tissue repair as soon as possible, the diet can be appropriate to eat food or drugs with astringent effect, such as gorgonian, prunus seed, astragalus, etc. 3, postoperative patients have poor digestive and absorption functions, so avoid blindly taking large supplements in the diet, and avoid eating foods that are difficult to digest and absorb, such as snapper, black fish, pigeon meat, beef and mutton, protein powder and so on, so as not to increase the burden on the gastrointestinal tract. 4, it is recommended that patients eat more millet porridge within a week after surgery, the grains are the most nourishing for the spleen and stomach, and millet is the most easily digested and absorbed staple food, especially suitable for patients whose spleen and stomach functions have yet to recover after surgery.