The fact that your breasts can still be milked after 5 years of weaning may have something to do with the fact that they are not completely fixed after weaning, hormonal disorders in the body as well as mammary gland disorders. 1. After the weaning is not completely solid milk, breasts and nipples are often stimulated, such as the baby touch or sexual life when caressing lead to, belong to the normal physiological phenomenon. 2. Hormonal disorders in the body: If the situation of milk extrusion from the breasts occurs after 5 years of weaning, it may be associated with hormonal instability, such as higher lactogen in the body, or endocrine hormone disorders caused by pituitary or ovarian pathology, which may cause the secretion of milk. 3. Breast diseases, such as mastitis, breast cancer, mastitis nipple will have overflow, serious yellow, need to be transfused anti-inflammatory. If it is breast cancer, it will be accompanied by tingling and swelling of the breasts, and the skin will be uneven, so you need to choose the proper treatment program in time and have a regular review. If you are still able to express milk after 5 years of weaning, you should consult a doctor for examination to clarify the cause of the disease before treatment.