There is a lump in the breast when you touch it, which is commonly caused by the following reasons: 1, benign lumps: such as breast hyperplasia, breast fibroma, etc., you need to go to the hospital to improve the relevant examinations, such as ultrasound, molybdenum target, etc., part of the patients can be treated with oral Chinese medicines, such as lactofetish elimination, free pills, etc., and the other part of the patients need to be surgically excised. 2, malignant tumors: such as breast cancer or breast sarcoma, you need to go to the hospital as soon as possible to Improve the relevant examination, including puncture biopsy or excision biopsy of the swelling to clarify the nature. If it is clear that the tumor is malignant, radical resection of the tumor is needed, and later on, chemotherapy, targeted drug therapy, endocrine therapy and traditional Chinese medicine may be needed.3. Accumulation of breasts: If it is caused by accumulation of breasts during pregnancy and postpartum, ultrasound can be checked to make it clear.