Mastitis during breastfeeding can be done by pushing and massaging yourself, as this can promote the discharge of milk. The common pathogenesis of mastitis during breastfeeding is due to milk stagnation, and if the milk is not discharged properly, it can easily lead to bacterial infection and infectious mastitis or breast abscess, so mastitis during breastfeeding can be promoted by massage and massage on your own. The nodules of the breast are not recommended to massage themselves, because there is no effect, breast nodules is a generic term for a class of diseases, all breast tumors can be called breast nodules. It is advisable to go to a regular hospital mammography department and do mammography and mammography to determine the benignity and malignancy, and then develop the best treatment plan.