There are certain benefits to using hot water on the breasts regularly, which can have the following benefits: on the one hand, using hot water on the breasts can make the blood vessels in the breasts expand with heat, promote blood circulation in the breasts, improve blood stasis and local edema, and provide some relief to the breast pain caused by cystic hyperplasia of the breast. On the other hand, you need to touch your breasts with both hands during the process of applying hot water to your breasts, so that you can detect occupying lesions in your breasts early and seek medical attention in time, which can significantly improve the prognosis of breast diseases. In case of milk stagnation or blockage of milk ducts during breastfeeding, using hot water on the breasts can promote milk evacuation and reduce the chances of acute mastitis. If you are suffering from acute mastitis, you should avoid using hot water on your breasts to avoid spreading the infection, which can lead to increased pain and more serious clinical consequences.