Newborns have a sense of taste after birth and the sense of taste is already relatively well developed. In the mother’s body, the mouth of the fetus begins to develop in the 2nd month, the taste buds of the fetus are more or less fully developed in the 4th month of pregnancy, and the nerve bundles of the sense of taste have been myelinated in the 7th to 8th month of pregnancy, so that the sense of taste is already well-developed by the time of birth. Clinical observation, the baby on the first day of life, the amount and intensity of sucking on different concentrations of sugar water is not the same, soon after birth to be able to distinguish flavors, to sugar water to show pleasure, to acid, salty or bitter liquids to show rejection. In summary, we can know that newborns have a sense of taste.