Breast ri value usually refers to a color ultrasound examination, which means breast blood flow resistance index. Breast ultrasound can show the blood flow around the breast mass, and then analyze and judge the nature of the lesion according to the morphology of the lesion and the blood flow, in which the breast ri value can indicate the breast blood flow resistance index, and its normal value is about 0.58, if the breast ri value is found to be abnormal, it means that the patient’s mammary glands may have undergone the phenomenon of mammary gland hyperplasia. In clinical practice, the borders of such breast enlargement are usually smooth and intact, the internal echogenicity is enhanced and unevenly distributed, and limited ductal dilatation may also occur. It is recommended that breast discomfort should be treated in a timely manner in a hospital under the guidance of a doctor.