Squeezing yellow water in the breast is usually not recommended because this yellow water is usually considered to be caused by inflammation, or an intraductal papilloma. In this case, it is impossible to squeeze cleanly, not only damages the milk ducts, but also causes damage to the breast. If this phenomenon occurs, it is recommended to go to the hospital to do breast ultrasound and lactoductoscopy, through the lactoductoscopy, it can be clearly diagnosed whether the yellow water is caused by inflammation of the milk ducts, or caused by intraductal papilloma. If it is caused by simple inflammation, it can be cured by doing lactoscopic irrigation and anti-inflammation; if it is caused by intraductal papilloma, it is recommended to be treated by surgery.