In the process of hyperthyroidism, the patient’s diet is particularly important. Because hyperthyroidism patients due to hypermetabolism, nutrient demand increased significantly, if the nutritional supplementation is insufficient, wasting will be more obvious, and even appear similar to the symptoms of advanced cancer, therefore, whether the diet is appropriate is very important. Patients should pay attention to the following aspects of diet: the daily calorie intake, at least 2,400 kcal for men and 2,000 kcal for women. Eat more high-protein foods, young patients also need to eat more fatty foods, more vitamin-rich fruits and vegetables, less spicy foods, such as chili peppers, green onions, ginger, garlic and so on. Eat less iodine-containing foods, such as kelp, shrimp, sea fish and so on. Try not to smoke, do not drink alcohol, drink less strong tea, coffee, patients pay special attention to the psychological mood and mental life level self-regulation, maintain a relaxed mood, happy spirit, emotional stability, avoid wind and cold, overwork, high fever. Patients with hyperthyroidism should pay attention to the medication period and diet: 1, avoid spicy food: spicy, raw onion, raw garlic; 2, avoid sea food: kelp, sea shrimp, scallop fish; 3, avoid strong tea, coffee, tobacco and alcohol; 4, keep the mood calm, avoid exertion.