Breast milk generally does not have a specific odor. Normally, breastmilk is rich in many kinds of proteins, vitamins and amino acid components, and there is also lactoferrin and so on. Proper intake of breastmilk can replenish nutrients for newborns, and at the same time, it can also raise antibodies to prevent the invasion of external diseases that can affect the health of newborns. Breastmilk is the white or slightly yellow liquid secreted by the mammary glands. Some women may experience a decrease in breastmilk due to nutritional deficiencies, poor moods, etc. and need to seek medical attention in a timely manner. It is recommended that during breastfeeding, you should avoid taking drugs blindly, eat a reasonable diet to supplement nutrition, pay attention to rest, and avoid smoking and drinking.