There are many reasons why breasts can hurt after rubbing, as follows: 1, excessive force, rubbing the breasts with great force can lead to damage to the breast tissue, you can first ice, then hot compress, if necessary, paste cream for blood circulation. 2, breast hyperplasia, breast lumps will appear in patients with breast hyperplasia. The lump will not be painful under normal circumstances, but over-stimulation or pre-menstrual or menstrual period will appear lumpy and painful. If the pain is not significant, it can be left untreated. If the pain is unbearable, you can take painkillers and endocrine regulating drugs.3. Breast cancer patients will have breast lumps which are painless and painful after kneading, and sometimes spontaneous pain. If breast cancer is found to be a possibility, seek medical examination immediately and then make appropriate treatment.