Ductal dilatation of the breast is usually treated symptomatically according to the cause: 1, inflammatory: simple anti-inflammatory and anti-inflammatory treatment, if the condition is severe, Chinese herbal medicine is available; 2, benign lesions: such as ductal hyperplasia, mastopexy or due to polyps, usually observation is sufficient; 3, ductal papilloma caused by: surgery is usually recommended. The surgical options are simple ductectomy, segmental mastectomy, and total mastectomy. The prognosis is better, it will not cause cancer and will not leave sequelae.