Under normal circumstances there can be no hard lumps in the chest, and there is no need to worry too much when hard lumps are found, but it is necessary to distinguish the specific nature of the hard lumps. Generally common in several cases: a. Cystic hyperplasia of the breast. It is common for middle-aged women to have benign hyperplasia of the breast parenchyma, due to hormone metabolism disorders in the body, and the imbalance of estrogen and progesterone ratio makes the breast parenchyma hyperplastic and incomplete. It often manifests as swelling and tingling of the breast, and hard lumps can be palpated. The pain usually increases gradually before menstruation and decreases or disappears after the onset of menstruation. It is usually treated with Chinese herbal medicine or Chinese medicine that can regulate the liver and Qi, harmonize the flushing and correct the function of the ovaries. Fibroadenoma of the breast. Prevalent in young women, solitary, slow-growing lumps, tough to the touch, relatively good mobility, mainly surgical treatment, postoperative pathology can be diagnosed. In addition, malignant tumors can be seen. Generally, there is no obvious symptom in the early stage, and a painless, single small lump can be found, which is hard, not smooth on the surface and not easy to be moved in the breast, and can be diagnosed by ultrasound examination, but the final diagnosis is pathological examination. In either case, a hospital visit is required to confirm the diagnosis.