There are various reasons for insufficient milk, mostly due to weakness of qi and blood, such as postpartum weakness, insufficient qi and blood, which affects milk production. Liver Qi stagnation, postpartum discomfort, liver Qi stagnation, Qi stagnation, obstruction of meridians, and inaccessibility of milk channels, thus, hindering the flow of milk. In addition, the mammary glands are underdeveloped, resulting in insufficient milk secretion, and the ducts of the mammary glands are inaccessible, so that milk accumulates and cannot be removed smoothly. There are also frequent late nights, excessive grief, severe anemia, blood and milk homogenization, all of which may lead to insufficient milk.