Adolescent breast lumps need to be treated according to the specific cause of the lump formation. There can be several reasons for hard lumps in adolescent breasts: physiological, enlarged subcutaneous lymph nodes, breast hyperplasia, and breast tumors. 1. Physiological: There may be hard lumps during adolescent breast development. Hard lumps are the development of breast nuclei, which can be treated without any special treatment and belong to the normal development phenomenon. If there is any breast abnormality, then you should go to the hospital. 2. Enlarged subcutaneous lymph nodes: Inflammation and other factors can cause enlarged subcutaneous lymph nodes, and the enlarged lymph nodes can basically subside after the inflammation subsides. You can take some anti-inflammatory drugs as prescribed by the doctor. 3. Breast hyperplasia: Breast hyperplasia may occur when there is too much pressure or endocrine disorders. You need to relax to relieve the pressure, adjust the daily life and routine, and if necessary, you can take some medicines as prescribed by the doctor. 4. Breast tumor: when the breast lump is a tumor after pathological examination, it can be treated by surgery, radiotherapy and other ways, and the specific ways need to listen to the professional doctor’s advice. Adolescent breast hard lumps, should consult a doctor in time to clarify the cause of the disease. If you need to use medication, you need to take it under the advice of a professional doctor, not self-medication.