One-year-old baby is still in the developmental stage, not only the immune function is not perfect, the gastrointestinal tract development is not also not mature enough, and the regulation function of the body systems is also relatively poor, so the impact of the external environment is easy to cause the baby intestinal flora imbalance. When the baby has diarrhea, parents can do this: First, dietary conditioning. To light and easy to digest food, avoid eating some easy diarrhea food, such as soy milk. Second, reasonable drug treatment. Take some probiotics, after taking probiotics will quickly colonize the baby’s intestines, inhibit the harmful bacteria in the intestines, so that the intestinal flora to restore the normal balance. Third, family care. Mom and dad need to feed reasonably, regulate the baby’s diet, the supplementary food prepared for the baby; to pay attention to dietary hygiene, to prevent disease from the mouth; children use the tableware, to boil and disinfect every day, mom and dad must not be lazy; in addition, special attention should be paid to the baby at any time to replenish water, to prevent dehydration. Fourthly, if the baby still has diarrhea through the above care, it is necessary to go to the hospital to seek medical attention and laboratory tests on the stool. Under the guidance of the doctor, take medication to stop the diarrhea treatment.