The baby can not suck out the milk, may be the mammary ducts are not smooth, too little milk, the baby sucking ability is poor due to, can be improved through the massage, hot compresses, breast pump way to improve. 1. Mammary ducts: Mammary ducts are thin or clogged when the baby can not suck out the milk, can be relieved by local massage, if the milk accumulation is more, need to use the breast pump will be piled up to suck out the milk, to avoid the emergence of mastitis. 2. too little milk: after the postpartum maternal nutritional deficiencies, which affects the secretion of milk, resulting in the baby can not suck milk. The mother should strengthen the nutrition, at the same time can be appropriate to the breast massage or hot compresses, to stimulate the breast secretion of milk. 3. Poor sucking ability of the baby: As the baby sucks poorly caused by the sucking ability of the baby can be alleviated by exercising the baby’s sucking ability, and at the same time, you can use the breast pump to suck out the milk, to feed the baby. However, if the baby’s poor sucking ability is accompanied by other uncomfortable symptoms, it is recommended to seek medical attention to rule out pathological factors. There may be other reasons why the baby can’t suck out milk, such as maternal nipple dysplasia, etc. If there is a long-term situation of not being able to suck out milk, you should go to the hospital in time for examination and treatment.