Emperor Mandarin is not hot and humid. It is rich in water, dietary fiber, vitamin C, fruit acid, fructose and other nutrients. Moderate consumption has certain effects of promoting body fluids and quenching thirst, appetizing, reducing qi, widening the chest and stopping vomiting. It has the functions of laxative, moisturizing and laxative, but it is cool in nature. After eating, it can increase the coldness in the body. Moreover, the amount of fruit acid and fructose contained in Emperor Mandarin is not low. Eating too much can easily cause irritation to the mouth and gastrointestinal tract, and can easily cause Toothache, oral ulcers, abdominal pain, diarrhea and other symptoms of internal heat discomfort.