No pregnancy breast can squeeze out water, belong to the normal situation, there is no discomfort symptoms, you can observe for a period of time, considering that may be normal, you can do breast duct endoscopy, the overflow will do a smear examination, basically can diagnose the nature of the nipple overflow. The nipple extrusion may also be a ductal infection, through the ductal endoscopy, can confirm the diagnosis of ductal infection, and do the ductal irrigation and flushing treatment. Nipple discharge and palpable lumps under the nipple, need to do ultrasound examination, first to exclude the milk ducts within the papilloma, but also need to exclude malignant tumors, resulting in nipple discharge, daily life, pay attention to cleanliness and hygiene, try to keep the local clean and dry.