Using a breast pump can lead to nipple injuries, affect the child’s health, and be detrimental to the mother-child relationship. 1. Nipple injury: improper use of breast pumps can lead to nipple cracks, if the care is not good, it may also cause pathogenic infections, and even cause mastitis. 2. may affect the child’s health: with the breast pump sucked milk placed for a long time the temperature is low if reheated may be lost, so it will affect the child’s health. 3. Not conducive to the mother-child relationship: In order to establish a mother-child relationship, let the child eat breast milk directly. However, depending on the situation, if there is a breast disease, such as mastitis, can not force the child to breastfeed, if necessary, use a breast pump. After the use of breast pumps lead to adverse results need to actively seek medical attention, to be adjusted or treated under the guidance of the physician’s interview, breastfeeding women do not self-medication.