1 month old baby if there is dilute water stool, first of all should immediately go to the hospital, because the baby is only 1 month old, the body’s mediation of compensatory function are very poor, once the dilute water situation, if the number of times and a lot of stools, it is easy to dehydration as well as electrolyte disorders, you should take the baby’s stool to the hospital for laboratory tests. Stools need to be taken fresh, not in the diaper to absorb water, put the stool in a container that does not easily absorb water, within 2 hours to the hospital for laboratory tests. During diarrhea, if the baby has a good appetite, you should feed the baby as much as possible, because diarrhea will lose a lot of body fluids, and if the baby has a good appetite and is willing to drink milk, there is a lot of water in the milk that can be replenished, which can prevent dehydration from occurring.