According to the State Drug Administration, breastmilk analyzer is not considered as a medical device, so its use is not controlled by the State Drug Administration.? Breastmilk analyzer is a kind of instrument used for analyzing the nutrient composition of human milk, it is an instrument that can reasonably improve and enhance the quality of breastmilk by testing and evaluating the quality of breastmilk, avoiding blind feeding, and giving guidance to the direction of mother's and baby's diet.