The grading of ultrasound results of breast lumps mainly includes the following aspects: 1. Grade I: indicates that the breast is in a normal state; 2. Grade II: indicates that there are suspicious nodules in the patient’s breast, but the nodules tend to be benign; 3. Grade III: indicates that there are benign lumps in the breast; 4. Grade IV: the four grades are divided into ⅣA, ⅣB and ⅣC. ⅣA indicates that the lumps have a malignant tendency, but the estimated degree of malignancy is not great, ⅣB and ⅣC Grade IVB and IVC indicate that the lump is more malignant and requires relevant examination; 5.Grade V: the highest degree of malignancy, usually suggesting malignant tumor and requires confirmation through puncture biopsy etc. 6.Grade VI: pathological confirmation of breast cancer