Causes of clogged milk holes are categorized as: non-pathological such as wrong breastfeeding habits, bad dietary habits, or lifestyle habits. Pathologic causes include mastitis and breast cancer. Different causes are treated in different ways. 1. Non-pathological milk hole blockage: Non-pathological milk hole blockage can be corrected by learning the correct way of breastfeeding, adjusting the diet and changing the bad habits such as staying up late at night, if there is a habit. Commonly blocked milk holes can generally be localized hot massage, relieve milk stagnation. So you can prevent clogging by having your baby suckle more milk, or use a breast pump to suck out excess milk, thus emptying the milk. If the above treatment of the milk hole is not unblocked that need to take medication under the guidance of the doctor, can also be used to unclog the lactoscope. 2. Pathological blockage of milk holes: If bacterial infection or milk stagnation causes mastitis to block the milk holes, the mammary glands will be red, swollen, hot and painful, etc. At this time, it is necessary to empty the milk, use antibiotics such as penicillin, and if an abscess is formed, it is necessary to make an incision and drain it. If breast cancer occurs and hard nodules appear in the mammary gland, it is feasible to temporarily clear the milk holes through lactation ductoscopy treatment, and then formulate specific surgical, radiotherapy, chemotherapy and other treatment programs. In addition, breast hyperplasia and benign breast tumors may also lead to blocked milk holes, so once the milk ducts are blocked, it is necessary to consult a doctor in time to clarify the cause of the disease and then carry out treatment.