Women who are breastfeeding may experience the phenomenon of milking blood, which is not a cause for concern, and under normal circumstances can be self-healing on the next day. If you don’t get the milk out in time, it may form a hard knot in the breast, and if you don’t take care of it in time, it will easily become inflamed and form mastitis, or even form an abscess in the mammary gland. The state of the formation of hard knots need to be artificially kneaded open, squeeze or milk out, hard to squeeze the milk sometimes will squeeze out blood, is the bleeding of the milk ducts, bleeding is okay, is caused by the external forces of extrusion, will soon be self-healing. For example, if there is blood in the mammary gland today, there will be no blood tomorrow, and it will heal itself faster. Hand milking blood, patients should pay attention to the nipple, areola cleanliness and hygiene, can be used to warm boiled water hot compresses, pay attention to see whether there is continued bleeding or local redness, swelling, pain and other discomforts.