If a patient’s areola color is dark, it is usually normal and treatment is not recommended. If a patient wants to change the color of the areola, they can choose to bleach it. The benefit of bleaching is that patients have less pain and better bleaching results, but the following risks may exist: 1. Skin allergy: areola bleaching uses some whitening products as well as potions, and for people with allergies, redness or rashes may appear, which will soon disappear if they are not serious. And if there is a serious allergy, or even shock, patients should immediately stop using, and timely treatment under the guidance of a doctor; 2, infection: areola bleaching surgery during the method of laser and tattooing, may cause infection, mainly because of incomplete sterilization of surgical instruments at the time of surgery, especially if patients do not choose the regular beauty institutions, often leading to the risk of infection; 3, infection The process of areola bleaching can damage the nerves, thus reducing the sensitivity of the breasts, which may affect future sexual life; 4, affect breastfeeding: in the process of areola bleaching tattooing, if it hurts the milk ducts, it may affect the secretion of milk; 5, the spread of infectious diseases: such as hepatitis, syphilis, AIDS, etc.; 6, scar growth: Mostly caused by damage to the areola is too large; 7, poor results: such as uneven color, or too light or too dark.