Breast a big one hour, need to take corresponding measures according to the specific circumstances, as follows: 1, no treatment: if through the breast ultrasound, mammogram examination, did not find a significant swelling in the mammary glands, this time do not need to worry too much, because this is the normal structure of the body, the process of human growth, there may be a different size of the breast, usually do not need to take drugs and other special treatment. 2, oral medication, etc.: If you find obvious hyperplasia in the larger breasts, including the generation of lumps, you need to actively observe and, if necessary, take oral medication, such as breast quenching tablets, free pills and so on. If the hyperplastic mass grows rapidly or there is obvious pain, it is necessary to perform puncture biopsy and excision biopsy to clarify its benign or malignant nature. If the result is malignant, radical resection of the tumor should be performed as early as possible, and relevant treatments, such as chemotherapy, targeted drug therapy, endocrine therapy, etc., should be given according to the pathological results.