Multiple breast nodules, usually caused by breast hyperplasia, benign breast tumors, and malignant breast tumors. 1. Breast hyperplasia, which often presents with cyclic pain in the breast accompanied by breast overflow and lumpy nodules. It is caused by endocrine imbalance due to irregular life, overwork and stress, and needs to be kept in a relaxed mood, and can be treated with drugs such as tamoxifen and trioxaniline. 2. Benign breast tumors, such as breast fibroadenoma, can often be found in tough and painless lumps and nodules. It is usually treated by surgical excision. If it is allowed to be stimulated by repeated attacks, malignant transformation may occur. 3. Malignant tumors, such as breast cancer, can also lead to multiple nodules in the breast. Mammography and pathological biopsy should be performed in time. When the diagnosis is confirmed, comprehensive treatment such as surgery, radiotherapy and chemotherapy should be adopted. It should be noted that when there are multiple breast nodules, one should go to the hospital in time for examination and treatment under the doctor’s guidance.