There are many possibilities for subcutaneous breast nodules. If it is a nodule in the fat layer, it is mostly caused by lipoma, in this case, if there are no clinical symptoms and the diameter is small, it can be observed regularly, and there is no need to take medication and surgical treatment. If it is cystic hyperplasia of the breast, which is the most common benign breast disease in women, regular ultrasound can be given for follow-up observation, and when the pain is obvious, you can consider oral administration of Easy Pill, Breast Fetish Elimination, and Lactaid capsule, and in severe cases, oral administration of triamcinolone acetonide can be given as well. If it is papilloma and fibroadenoma in the breast, surgery can be considered for excision, drug treatment has no good effect. For patients who are suspected of breast cancer, they should actively improve the relevant examinations and have timely surgery, during the operation, they also need to have a rapid pathological examination, and according to the results, they will decide the final way of surgery, such as radical mastectomy, radical mastectomy with breast preservation and so on.