There is no milk in the areola, if milk appears in the areola, nipple inflammation leading to sinus may have occurred. Areola is the area of deeper skin pigmentation around the nipple, there are hair and sebaceous glands around the areola, there are some obvious small protrusions in the areola, which are used to secrete oil, protect the nipple and protect the local skin, the areola does not secrete breast milk, if there is breast milk, it may be due to breastfeeding women, breast ducts are blocked leading to sinus tracts caused. Normal milk should be from the nipple of the milk ducts overflow, if the milk from the areola overflow, should lactation mammary gland inflammation, the condition of milk leakage of the milk ducts, non-lactating women can also occur ductal fistula, manifested as. Sebaceous discharge, severe cases of localized skin rupture, need to be incised and drained. At the same time, the presence of milk in the areola area, may consider the presence of parastomal conditions, should be identified. The areola is generally not milk, if the areola milk, should promptly seek medical attention, under the diagnosis of the doctor, identify the cause of the disease, symptomatic treatment.