Two month old babies with dilute watery stools may be due to allergy to certain substances in the formula or lactose intolerance, it may also be due to the poor dietary structure of the recent lactating mother, and may also be due to viral or bacterial infections caused by enterocolitis caused by different causes, different treatment methods. 1. Allergy to milk powder or lactose intolerance: If parents add formula to their two-month-old baby, and the baby is allergic to certain proteins in the formula, or the baby’s lactase enzyme deficiency leads to lactose intolerance, it may lead to the symptom of dilute watery stools of two-month-old babies, and you can change the baby’s amino acid milk powder or orally take lactase enzyme to alleviate this symptom. 2. Poor dietary structure of the mother: If the recent poor dietary structure of the mother, eat spicy, greasy, stimulating food more, then it may also lead to the baby to have dilute watery stools symptoms, should improve the dietary structure of the mother, eat more nutritious and easy to digest food, such as lean meat, eggs, and a variety of vegetables and fruits. 3. enteritis: if the two-month-old baby infected with viruses, bacteria, enteritis, can also lead to the two-month-old baby symptoms of dilute water stools, should be given to the baby oral rehydration salts to prevent dehydration, and can be used to stop diarrhea, bifidobacteria preparation to regulate the intestinal flora of the treatment of montelukast. Bacterial infectious diarrhea, need to use antibiotics according to the drug allergy. In addition to the above diseases, other factors can also cause the symptoms of dilute watery stools in two-month-old babies, and it is recommended to consult a doctor promptly to identify the causes and ask the doctor to dispose of them. The above medications should be used according to the doctor’s prescription.