A hypoechoic breast nodule is a nodule that is less echogenic than the surrounding fatty tissue. Grade 2 means that the nodule is benign, and most often improves or resolves with conservative or surgical treatment. A hypoechoic breast nodule is one in which the echo of the entire mass is lower than that of the surrounding subcutaneous fat tissue. Most breast nodules exhibit hypoechoicity, then a hypoechoic nodule may be the result of a benign condition such as fibroma, complex cysts, breast hyperplasia, or a malignant breast disease such as breast cancer. BI-RADS is a malignancy risk assessment of breast nodules based on breast ultrasound, mammogram, and other imaging tests, and is categorized into 0 to 6, where category 2 means that the nodule is benign and the risk of malignancy is zero. Hypoechoic breast nodules of category 2 are benign and need to be treated according to different diseases, such as fibroids can be surgically removed, breast hyperplasia can be treated symptomatically with medications such as Xiao Jin Wan. It is recommended that the patient should consult the doctor for further examination and analysis to clarify the cause of the disease and then actively treat it. The use of drugs need to be under the guidance of a doctor.