In the breastfeeding period of the best women do not make up, especially heavy makeup, because part of the cosmetics contain a large number of toxic and harmful substances, can be absorbed through the skin pores into the body, part of the secretion through the milk, it may have a certain impact on the baby, try to avoid using. Especially substandard cosmetics, most of which contain a large amount of heavy metal mercury is difficult to discharge from the body, long-term use may lead to mercury poisoning, do need to make up the case try to use soft good quality cosmetics, need to minimize the time of makeup, especially to avoid sleeping with makeup at night. Women who are breastfeeding need to pay attention to maintain good dietary habits and routine to avoid affecting milk secretion and milk quality, in order to prevent the baby from malnutrition and affect the normal growth and development.