Breast nodule BI-RADS grade 2 is the Breast Imaging Reporting and Data System and indicates that malignancy is essentially ruled out. The cause of breast nodules is still unclear, and BI-RADS is the result of Breast Imaging Reporting and Data System, which is a common way to assess the benignity and malignancy of the breast. Grade 2 indicates that malignancy is basically ruled out, and it may be caused by conditions such as breast hyperplasia, breast fibroids, breast cysts, and so on, and may appear as a unilateral or bilateral nodule, and some of them are accompanied by cyclical bloating and pain, and so on. Breast nodules should pay attention to a light diet, avoid spicy and stimulating food, and regular review, observe the changes in symptoms, if the nodules increase in size, pain and other symptoms should be timely consult the doctor, do a biopsy to confirm the diagnosis, so as to avoid delaying the condition.