Blood blisters sucked out of the breast are considered to be caused by improper breastfeeding posture, repeated sucking and biting by infants and young children, resulting in blood blisters on the nipple or other parts of the breast; they may not necessarily be able to breastfeed, and need to be determined according to the severity of the blood blisters. 1. Breastfeeding: If the blood blisters are not very big and the pain is relatively mild, normal breastfeeding will not be affected and you can continue to breastfeed. However, in the process of breastfeeding, you need to feed scientifically and pull out the nipple in time after eating to avoid repeated sucking by infants and young children, which will make the blood blisters increase in size, and to keep the nipple dry and clean after breastfeeding. 2. Can not breastfeeding: If the blood bubble is relatively large, or rupture, stinging, bleeding, infection and other phenomena, you need to pause breastfeeding, so as not to aggravate the pain. If necessary, erythromycin ointment can be applied to promote healing. To summarize, it is recommended that the patient consult a doctor in a timely manner and follow the doctor’s instructions for treatment.