The causes of low milk are insufficient nutritional intake, bad mood or insufficient sucking of the nipple by the baby, which can be adjusted through daily care. 1. Insufficient nutritional intake: If the maternal nutritional intake is insufficient, it may lead to insufficient prolactin secretion, which in turn manifests itself in the phenomenon of low milk, the mother should pay attention to the nutritional balance in daily life and eat more food rich in vitamins and proteins. 2. Bad mood: If the mother is not in a good mood or not enough sleep, it is likely to affect the secretion of milk, and then the phenomenon of low milk, the mother needs to maintain a happy mood, do not be too anxious. 3. the baby on the nipple sucking enough: due to the baby’s age, sucking the nipple is not strong enough to stimulate the secretion of prolactin, it is likely to appear the symptoms of the milk, you can let the baby often sucking the nipple, to stimulate the secretion of prolactin. In addition, there are many other causes of low milk, we recommend that you go to the hospital in a timely manner, to clarify the cause of the disease, and then give targeted treatment.