Oral rehydration salts for babies start at 50 ml/kg and later the dose is adjusted according to the patient’s degree of dehydration until the diarrhea stops. The exact dosage needs to be under the supervision of a doctor, who will take a certain dose according to the baby’s age. Rehydration salts are mainly for diarrhea and other diseases, resulting in the loss of body fluids and targeted replenishment. Oral rehydration salts for babies are given at 50 ml/kg at the beginning of each loose stool. The dosage should be adjusted according to the degree of dehydration until the diarrhea stops. For infants and young children, the product should be given in small amounts and in multiple doses. The exact dosage needs to be used according to the doctor’s instructions. Patients allergic to rehydration salts, renal insufficiency and oliguria are prohibited. Some patients taking rehydration salts may experience side effects such as nausea and vomiting, gastrointestinal discomfort. Stop taking rehydration salts immediately when your baby’s diarrhea stops to avoid medication risks. If the baby has developed diarrhea, parents are advised to take the baby to the hospital and take rehydration salts orally under the guidance of the doctor.