The loss of body fluids resulting in a decrease in extracellular fluid is called dehydration. When people work in high temperature conditions, strenuous exercise or some diseases (such as severe vomiting, severe diarrhea), will lose a lot of water and inorganic salts (mainly sodium), will lead to the body’s extracellular fluid osmotic pressure drop and appear blood pressure drop, heart rate accelerated, four cold and other symptoms, serious and even coma. Pediatric diarrhea caused by the reduction of extracellular fluid patients dietary taboos: 1, avoid containing long cellulose of various fruits and vegetables Fruits such as pineapple, grapefruit, lemon, citrus, watermelon, oranges, pears, etc.; vegetables bok choy, spinach, cabbage, hairy asparagus, bamboo shoots, onions, water bamboo shoots, chili peppers, etc., diarrhea, long cellulose of fruits and vegetables is avoided due to the reason that the fibrous and semi-fibrous are to promote the role of intestinal peristalsis, and aggravate diarrhea. 2, avoid causing flatulence food When diarrhea, intestinal peristalsis enhancement, intestinal often flatulence, more diarrhea aggravated, so lead to flatulence food must be banned, milk consumption in the intestinal tract will lead to flatulence, so should not be eaten, however, yogurt contains lactic acid bacteria can inhibit harmful bacteria in the intestinal tract, can be eaten. Bean substances and soy products, such as soybeans, adzuki beans, mung beans, fava beans, green beans, black beans and tofu, Baiba, vermicelli, soybean milk, bean sprouts, etc., this kind of food because of its rough fiber and rich in protein, which can cause intestinal peristalsis enhancement and lead to flatulence, and aggravate diarrhea. 3, avoid sugar when suffering from diarrhea, often proposed to eat some sugar porridge, or drink some sugar water to replenish the lost fluid, in fact, this approach is not desirable, sugar to the intestinal often cause fermentation and aggravation of flatulence, so in the case of diarrhea, flatulence should not eat sugar or less sugar, children should try to eat something else after taking medication, without sugar to correct the bitter mouth. 4, less protein Patients suffering from diarrhea yiqi (fart) often very smelly, which is mainly caused by abnormal fermentation of intestinal qualities, intestinal corruption is very strong, at this time should minimize the intake of protein, such as eggs, duck eggs, goose eggs and the above mentioned dairy foods.