Breast nodules are among the more common lesions, so the number of people who have breast nodules is still relatively high. There are many causes of breast nodules, which may be due to diseases such as breast hyperplasia or breast tumor. It is recommended that the patient go to the hospital in time to clarify the cause of the disease and the nature of the nodules. Breast nodules are a common symptom caused by breast diseases, so the number of people suffering from breast nodules is considered to be relatively high. However, the cause of breast nodules is not clear, and may be related to breast hyperplasia, breast fibroadenoma, breast cancer, mastitis and other diseases. Early diagnosis of breast nodules should be made to clarify the benign or malignant nature of the nodules in order to develop an appropriate treatment plan. If breast nodules are diagnosed as a result of breast hyperplasia, non-surgical treatment is the mainstay. If the breast nodule is diagnosed as fibroadenoma or breast cancer, surgical excision and other comprehensive treatments should be carried out as soon as possible. It is recommended to cooperate with the doctor to improve the relevant examination in time.