Clustered breast calcification is a phenomenon found on imaging such as mammography for a variety of benign or malignant breast diseases. Breast calcification is generally defined as the deposition of calcium salts in breast tissue, while clustered breast calcification is a description of the distribution of breast calcification, usually indicated by the presence of several foci of calcification in a small volume of breast tissue. Clustered breast calcifications are usually detected on imaging studies such as mammography and ultrasound, which are relatively sensitive to calcifications. The morphology and distribution of the foci can be analyzed by the physician to assess the benign or malignant nature of the breast lesion. For example, coarse homogeneous diffuse calcified foci are mostly benign, while linear and segmental irregular calcified foci may be malignant. In summary, if the patient’s test report shows clustered breast calcifications, it is recommended to go to the hospital in time to be analyzed by a professional physician and follow the doctor’s instructions for examination and treatment.