DHA is not an essential supplement for newborns and is recommended to be used under the guidance of a doctor according to needs. DHA is an important unsaturated fatty acid in the human body, it is the main substance for the growth and development of the human nervous system, and is also an important component of the brain and retina, in addition, it is important for the development of intelligence and vision of newborns. However, DHA is not a routine substance for newborns. Breastfeeding or formula feeding is sufficient to meet the energy and nutritional needs of newborns. If necessary, it should be used under the supervision of a doctor. Newborns are mainly breastfed and parents should feed their children on demand. Parents are advised to consult a pediatrician if they have any feeding problems with their children, and not to use any nutritional supplements without authorization, as this may affect the normal growth and development of the child.