When breastmilk is insufficient, you should increase the number of times your baby suckles at the breast, enhance the nutritional intake of the mother, pay attention to rest or promote the secretion of milk by massaging the breasts. 1. The mother should learn the correct breastfeeding posture, let the baby suckle the breast frequently to increase the amount of breast milk, and stimulate the secretion of breast milk through the way of breast emptying, which is the best way to lower the milk. 2. The mother should strengthen the nutrition, balanced diet, drink more soup, intake of rich quality protein, such as eggs, milk, dairy products, seafood, etc., which is conducive to the secretion of milk. 3. The mother should ensure sufficient sleep during pregnancy, pay attention to rest, relieve stress and maintain a happy mood in order to prevent milk return. 4. You can massage your breasts from the outside in, or apply hot compresses to the breasts to promote local blood circulation, which will help promote the secretion of milk. 5. If it is because the milk ducts are blocked, you should go to the hospital and ask a professional doctor for consultation. If your breastmilk is still insufficient, you should go to the hospital to find out the reason and consider adding formula milk under the guidance of your doctor to ensure your baby’s growth and development.