Mammography can be used to screen for a variety of breast diseases. In clinical practice, mammography can be used to screen for a variety of breast diseases, and can provide detailed information about lumps and lesions that cannot be reached by hand or nipple abnormalities. It can clearly show all layers of breast tissue, and can detect breast hyperplasia, various benign and malignant tumors, as well as disorders of breast tissue structure. Mammography is extremely important in the early diagnosis of breast cancer. It can mainly detect breast lumps that cannot be touched, and can observe tiny calcified spots and clusters of calcification as small as 0.1mm. Mammography is a convenient, reliable and non-invasive test that is relatively less traumatic and painful for patients, and is simple and easy to perform, with high resolution and good reproducibility. It is recommended that patients with breast discomfort consult a regular hospital and receive standardized treatment under the guidance of a doctor.