Fear of heat is common in hyperthyroidism, thyroid hormone is to promote metabolism, promote the body redox reaction, hypermetabolism requires the body to increase eating; gastrointestinal activity increased, there is an increase in the number of times of stools; although more food, but the oxidation reaction is enhanced, the body’s energy consumption increased, the patient performance weight loss. In daily life, people who are afraid of heat avoid eating hot and dry food, food that stimulates the brain. 1, red pepper avoid eating reason: has a strong irritation, easy to cause dry mouth, cough, sore throat, constipation and so on. 2, chili (red, sharp, dry) reasons to avoid eating: a strong irritant, easy to cause dry mouth, cough, sore throat, constipation. 3, sea shrimp to avoid eating reasons: shrimp for moving wind hair. 4, sea crab reasons to avoid eating: seafood is hairy, and seafood are more cold, weak people should eat less.