A baby’s poor gut can be due to numerous reasons. However, it boils down to poor intestinal immunity. So to completely improve your baby’s gastrointestinal function, it is very important to improve your baby’s intestinal immunity. 1, eat on time, sit and eat, not standing or squatting. Do not eat too much, eat less and more meals, seven or eight minutes full can. Eat well in the morning, eat full at noon, and eat less at night. Quit eating spicy, fried, smoked food, such as barbecue, etc., do not eat too acid, too cold and other stimulating food. 2, you can give your child probiotics, such as bifidobacterium with the stomach with antibiotic tablets treatment. Add probiotic powder or children’s probiotic punch to the baby’s milk powder as appropriate. 3, easy to digest diet, to the baby to eat supplementary food to boil, cook soft, drink more millet porridge. High nutritional value of millet porridge, but also to regulate the stomach and intestines, to enhance resistance. Eat more corn, corn has a healthy spleen and damp, appetizing educational function, can improve the baby’s gastrointestinal function and help intellectual development, you can make corn flour into corn paste, corn cakes, etc. to make the baby easy to accept. 4, give high quality protein, such as milk, eggs, lean meat, etc., and appropriately reduce the intake of protein. 5.Keep the bowel movement smooth, give vegetables and other high-fiber foods, abdominal massage, with the navel as the center, using the palm of your hand to gently rub the abdomen, clockwise and counterclockwise 36 times each. It is also important to keep the abdomen warm and avoid getting cold in daily life. Increase your baby’s exercise to help digestion and absorption. If your baby often has constipation, diarrhea and other indigestion manifestations, you should go to the hospital in time.