The BI-RADS classification of breast examination is a standard for evaluating the degree of benignity and malignancy of a lump on breast imaging. BI-RADS4c means that a breast lump found is suspicious of malignancy, with a chance of malignancy greater than 50%, and requires prompt further examination and confirmation of the diagnosis, with the option of needle aspiration biopsy, breast McMurdo spinotomy, and post-surgical excision with biopsy. Based on the results of the pathological examination, the next treatment plan will be guided. Keep a happy mood, mood has a greater impact on the breast, avoid grumpiness, often angry, etc., appropriate exercise, exercise, do not live and work under too much pressure, develop the habit of regular medical check-ups, so that diseases can be detected and treated early. After the appearance of BI-RADS4c, go to the regular hospital for examination in time to confirm the diagnosis of the specific pathological type, and if necessary, surgical removal.