One and a half year old children drink soybean milk with diarrhea, first of all, do not continue to give the child to drink soybean milk, and to regulate from the diet, if the symptoms are serious, you can use medication, such as montmorillonite powder. One and a half year old children drink soybean milk with diarrhea, if the diarrhea is not serious, to give the child to drink some warm water, can relieve the symptoms of diarrhea, do not need medication for the time being. This age of small children drinking soybean milk diarrhea, may also be due to the child’s digestive system is not very perfect, indigestion caused by the child can give the child to eat some probiotics such as bifidobacteria, etc., pay attention to the child’s abdomen do not catch cold. If the number of diarrhea continues to increase, then it is necessary to go to the hospital in time to consult a doctor. Under the guidance of a specialist, oral montelukast can not only repair the intestinal mucosa, but also treat diarrhea. It is recommended that a one and a half year old child drinking soy milk diarrhea actively seek medical attention in order to clarify the cause of the disease, standardized treatment. All of the above medications should be used under the guidance of a doctor, avoid self-medication.