Principle 1: Give the infant more fluid than normal, water or other liquid foods such as porridge or soup. If the infant is breastfed, continue to feed him or her more frequently (at least every 3 hours), or if the infant is artificially fed, add twice the usual amount of water to the milk and feed him or her at least once every 3 hours. Principle 2: Continue to feed the child. Infants 4 to 6 months of age or older should be fed a highly nutritious and relatively high caloric food, depending on the age of the child, either a mixture of cereal and beans or a mixture of cereal and meat or fish, with cooking oil to ensure that they contain sufficient calories, dairy products, eggs, and fresh fruit juices and bananas, which are rich in potassium. Special attention should be paid not to give the affected child high sugar food, because it can aggravate the diarrheal disease, and not to give high fiber and indigestible food. If very thin soup is given, although it contains sufficient water, it is not conducive to the recovery of the child because it does not have sufficient nutrition. Principle 3: Take your child to the doctor in time. When your child has too much diarrhea, severe thirst, sunken eyelids, fever, inability to eat and drink normally, and when treatment at home does not show any improvement, you must take your child to the hospital for treatment. The mother can also use the diarrhea navel patch, which is very effective and works in 1 day.