Baby dilution after changing milk powder, first stop feeding the new milk powder, and stop diarrhea and replenish body fluids to the baby. The baby drink new milk powder after dilution, this time to stop using the new milk powder first, in the doctor’s treatment plan to feed the baby antidiarrheal drugs, such as montelukast, as well as oral rehydration salts, to prevent the baby from losing too much water, to correct the electrolyte imbalance. The baby to replace the milk powder to gradually replace, at first to the old and new milk powder transition to drink, and then gradually reduce the amount of old milk powder, so as to achieve the purpose of replacing the milk powder. The baby’s stomach and intestines are relatively fragile and sensitive, you can also give the baby some probiotics (bacillus subtilis dictyostelium) to regulate intestinal flora and enhance digestive function. The baby should go to the hospital in time after diarrhea, accept the doctor’s diagnosis and treatment, not private medicine, so as not to cause damage to the body.