A grade 2 cystic breast nodule is usually a sign of a benign nodule. Currently, the BI-RADS classification is used to describe the severity of breast nodules, of which grades 1 to 3 are usually benign breast nodules. In the case of grade 2 cystic breast nodules, mild breast pain may occur and a localized lump may be detected on palpation of the breast, which can be followed by timely pathological biopsy to clarify the nature of the tissue. Breast cystic nodule grade 2 may be found in most young and middle-aged women, and is often detected during breast ultrasound or mammogram. When breast cystic nodule grade 2 occurs, it is necessary to maintain a relaxed mood and pay attention to a light diet. Once the size of the nodule gradually increases, it is necessary to consult a doctor in time for examination and treatment.