A small amount of bleeding from a breast puncture is usually of little consequence, but may cause infection if not properly cared for. Mammary gland puncture itself is a kind of traumatic examination, the puncture process may cause some damage, resulting in breast tissue damage, may also cause bleeding, but a small amount of bleeding is not very big impact, usually very soon the bleeding will stop, and the local wound is relatively small. However, if you do not take care of the local area after breast piercing bleeding, touching water too soon or for other reasons, it is easy to cause the risk of local infection. After bleeding from a breast puncture, it is important to clean up and observe the amount of bleeding in a timely manner. If the amount of bleeding continues to increase or causes an infection, it is important to consult a doctor in a timely manner.