During the breastfeeding period, which is usually 10-12 months after delivery, it is not advisable to carry out activities such as perming or dyeing hair during any of the breastfeeding period. The process of doing hair is bound to use chemical solution, and the quality of the solution cannot be guaranteed. If poor quality solution is used, it may enter the mother’s blood circulation and cause obvious adverse effects on the baby’s health after breastfeeding. And the process of doing hair during breastfeeding, due to high temperature stimulation of the hair follicles caused some damage, can aggravate the symptoms of hair loss during breastfeeding. The irritating smell formed after doing hair can cause discomfort to the baby, which can lead to sneezing, runny nose, runny eyes and other symptoms. In addition, in addition to avoiding perming and dyeing hair during breastfeeding, lactating mothers are also advised to avoid wearing heavy make-up to reduce the harm caused to the body.