Solid breast nodules category 3 belong to benign lesions nodules, the chance of malignancy is relatively low, generally <2%. It is recommended to follow up in the near future, and ultrasound can be reviewed once in 3-6 months to guide the next step of treatment according to the change of results. If a nodule has well-defined margins, a round or oval shape, and a substantial mass growing in a horizontal orientation, the first consideration is a breast fibroadenoma. Complex cysts and clusters of small cysts can also be classified as such if they cannot be palpated, but close follow-up is recommended and tissue biopsy should be taken to confirm the diagnosis if necessary. It is also important to develop good habits of life and rest, not to stress too much, to keep a happy mood, and to avoid cold, spicy and stimulating foods. If you find a solid nodule in the breast, try to pay attention to follow-up examinations to achieve early detection and early treatment.