Breasts will hurt after rubbing for many reasons, as follows: 1, too much force, large efforts to rub the breast will lead to damage to the breast tissue, you can first ice, and then hot compresses, if necessary, paste ointment to activate blood circulation and remove blood stasis. 2, breast hyperplasia, breast hyperplasia patients will appear breast lumps. Lumps in general will not have pain, but overstimulation or pre-menstrual or menstrual period will appear lumps, pain. If the pain is not significant, it can be left untreated. If the pain is unbearable, you can take painkillers and endocrine regulators.3. Breast cancer patients will have breast lumps that are painless, painful after kneading and sometimes spontaneous pain. If you find that there is a possibility of breast cancer, immediately consult a doctor for examination and then make appropriate treatment.