Evil eating cold things means evil eating cold food, after eating then abdominal pain, diarrhea, there is a habitual cause of the gastrointestinal, its own deficiency sweat food digestion is not good and other relationships, should pay attention to see if there is diarrhea fever. This indicates that the body is allergic to cold, suggesting the existence of gastrointestinal tract dysfunction. What are the preventive methods for gastrointestinal disorders? Regular life and proper physical activity can enhance physical fitness, lift psychological barriers and adjust organ functions. It is especially important to prevent this disease from the following aspects. 1, first of all, we should pay attention to mental health, lift psychological barriers, adjust the function of the organs. 2, the second attention to dietary hygiene, when eating must be chewed slowly, so that food in the mouth to get a full grind cut, and mixed with saliva, to reduce the burden on the stomach, so that food is easier to digest, as little as possible to eat stimulating food, not to mention alcohol and smoking. 3, appropriate to participate in physical exercise, participate in recreational activities, learn humor can reduce psychological frustration, seek inner peace, increase the experience of a pleasant life. 4, life should be regular, less stay up late, do not overexert physical strength, energy, take the initiative to adapt to society and the surrounding environment, pay attention to seasonal climate change and interpersonal relationships and other factors on the body’s adverse effects, to avoid the occurrence or development of gastrointestinal disorders. 5, pay attention to the consumption of nutritious food. Eat more high-protein food and high-vitamin food to ensure that the body has enough nutrients to prevent anemia and malnutrition. 6.To avoid foods that cause abdominal distension and contain more fiber, foods rich in protein and heme iron should be added to the diet.