Fear of heat is common in hyperthyroidism, thyroid hormone is to promote metabolism, promote the body’s redox reaction, hyper-metabolism requires the body to increase eating; gastrointestinal activity is enhanced, there is an increase in the number of stools; although eating more, but the oxidation reaction is enhanced, the body’s energy consumption increased, patients show weight loss. In daily life the fear of heat is appropriate to eat cold food, low-fat food, food high in vitamin C, light food. 1, kiwi: contains vitamin C, which can scavenge oxygen free radicals, thus relieving the symptoms of fever. 2, cabbage: cabbage can promote intestinal wall peristalsis, help digestion, and prevent dry stools. 3, tomatoes: tomatoes are rich in carotenoids, vitamin C and vitamin B. 4, fish: protein-rich, containing unsaturated fatty acids, there are certain substances that nourish brain tissue.