Breast b ultrasound grading judging criteria can be divided into 0~6 categories, as follows. Category 1.0, the possibility of lesion situation can not be assessed, it is recommended to combine with medical history, clinical physical examination for comprehensive judgment; Category 2.1, benign lesions, it is recommended that routine physical examination every year; Category 3.2, benign lesions, it is recommended that according to the age as well as clinical manifestations can be followed up every 6~12 months; Category 4.3, malignant possibility <2%, it is recommended to review in 3~6 months and improve molybdenum target or magnetic resonance examination; 5.4 categories, categorized as 4A malignant possibility 2%~10%, 4B malignant possibility 10%~50%, 4C malignant possibility >50%; pathologic examination is recommended for clarification, such as fine needle, coarse needle aspiration or surgical biopsy; Category 6.5, malignancy possibility ≥95%; coarse needle aspiration or surgery is recommended; 7.6 category, has been pathologically confirmed as malignant cancer, recommended to actively cooperate with the treatment. The above is the breast ultrasound grading criteria, it is recommended to get the report card to the doctor to combine judgment.