People have hot and cold body types. People with a hot constitution usually have a strong metabolism, produce more heat, are usually afraid of heat, or often have a red face, red ears, irritable temper, easily agitated, prone to dry mouth, bitter mouth, bad breath and other phenomena. In addition, the stool often appears dry and knotted, urine is also prone to low volume, yellowish, like to eat cold things or drink cold drinks. People with a hot body feel comfortable when they enter an air-conditioned room, and they are prone to acne and pimples on the face and back of the shoulders, and to mouth ulcers, or canker sores, which are also commonly referred to as symptoms of fire. This type of body people diet should avoid hot and spicy products, such as chili, onion, ginger, garlic, etc., beef, dog meat, mutton and other warm food, lychee, pineapple, longan and other warm fruits should also eat less, but should eat more bananas, pears, watermelon, bitter melon, lotus root, horseshoe, mung beans and other cool and moist food.