50 days old baby diarrhea, considered by the intestinal infection of the situation, it is recommended to test the stool routine and shallow blood function, whether there is intestinal viral infection or bacterial infection of the situation. You can orally take montelukast to stop diarrhea, mummy love, gold bifid to regulate the intestinal function. The abdomen paste pediatric navel patch, pay attention to full warmth, avoid cold, drink more water to avoid dehydration. If there is a poor spirit, drowsiness and other symptoms, it is recommended to go to the hospital in a timely manner to avoid serious dehydration, electrolyte disorders, etc., when necessary to check electrolytes, to see if there is electrolyte disorders, then you need to give rehydration, to maintain the water-electrolyte balance of the treatment, in order to avoid the emergence of serious complications, affecting the child’s health.