One year old baby eat and then pull four or five times a day need to first observe the baby’s stool, to determine whether there is diarrhea, such as diarrhea should be adjusted diet, if necessary, the use of montelukast, bifidobacteria and other treatments. If the baby’s stool is relatively normal, and there is no mental state, etc., generally normal, relatively small baby digestion and absorption capacity is poor, may appear frequent stool symptoms, is a normal reaction, generally do not have to use drugs. If the baby stool dilute watery, appear obvious mental state, etc., consider is produced diarrhea, need to actively seek medical examination and treatment, generally can use montelukast, bifidobacteria and other drugs to avoid aggravation of symptoms. Usually need to give more water to the baby, to avoid dehydration or electrolyte imbalance and so on.