Clinical causes of milklessness include malnutrition, blocked milk ducts, and mental factors. 1. Malnutrition: Malnutrition prevents women from getting enough nutrients from food, which affects the production of milk. 2. Breast duct blockage: During breastfeeding, breast ducts are easily blocked. At this time, hot compresses can be used to promote blood circulation in the milk ducts, which will help to promote the discharge of milk. 3. Mental factors: excessive mental stress during breastfeeding and prolonged physical tension and anxiety will affect the secretion of prolactin, which may also lead to the lack of milk. Mothers should eat more protein-rich food, and food should be easy to digest, such as pig’s trotter soup, carp soup, pork chop soup, etc., to let the baby suck on the breast, nipple stimulation is to promote the pituitary gland secretion of the pituitary lactogen is an important way to ensure that the secretion of breast milk, a reasonable arrangement of sleep, and maintain a happy mood. Maternity long-term no milk is recommended to go to the hospital as soon as possible, under the guidance of the doctor to clarify the cause of the disease, and then receive treatment for the cause.