If the baby’s diarrhea is caused by cold, indigestion and other physiological factors, you can continue to drink milk powder; if it is caused by infection, lactase deficiency, milk protein allergy, etc., you need to stop using milk powder, and actively carry out anti-diarrhea treatment. Physiological factors: baby diarrhea if caused by cold, indigestion, generally less severe symptoms, you can continue to drink milk powder, take probiotics such as bifidobacteria regulation can generally relieve the symptoms. Pathological factors: infection, lactase deficiency or milk protein allergy can cause lactose intolerance, resulting in diarrhea, diarrhea can be 7 to 8 times a day or more, this time you need to stop taking ordinary milk powder, may aggravate the condition. Should be replaced with lactose-free milk powder or amino acid milk powder, diarrhea is serious and with antidiarrheal drugs such as montelukast for treatment. Parents should pay attention to observe the mental state of the child and whether there are symptoms of dehydration such as low urine, low tears, sunken eyes, etc., consult a doctor in time and actively cooperate with the treatment. The above medications should be used in accordance with medical advice.