It’s that time of the year when we are in the peak of medical checkups, how do we choose from a wide variety of checkup packages? Especially for our women’s breast health, some tests such as “mammogram” sound obscure and confusing, are all people suitable for this test? How often should I have it done? Can this radiation cause cancer? Should I choose the expensive one or the right one? For young women under the age of 40 with no family history of breast cancer or high-risk factors, we recommend that ultrasound examination is sufficient because mammography is a kind of soft radiation with limited penetration power, and young women have dense breast glands, so the radiation cannot fully penetrate them, which results in masking the symptoms. Ultrasound is a great tool for detecting “breast lumps” in young women, who tend to have benign breast lump disease. Most of the calcified foci found in young women’s breasts are benign, unlike the calcifications found in early breast cancer, and due to the lack of professional medical knowledge, young women who undergo mammography and find calcifications often have unnecessary psychological burdens that affect their quality of life. There is no such thing as who is superior to whom. For women over 40-60 years old, we recommend annual mammogram because this is the age when Asian women have a high incidence of breast cancer, and with the onset of menopause, the estrogen level in women’s body decreases, breast tissue begins to degenerate, and more and more fatty tissues replace the glandular tissues, making it easier for mammogram rays to pass through, and easier to detect early signs of breast cancer that manual examination and ultrasound cannot help. “Fine calcified foci”. Based on the results of extensive research data, the amount of radiation from an annual mammogram is very low, and this dose is not at all sufficient to cause harm to the body. Given that mammograms can detect early stage or in situ breast cancer before a “lump” has even formed, mammograms are recommended by breast specialists. Breast specialists recommend annual mammograms for women in this age group. For those with a family history of breast cancer and high risk factors, we recommend mammograms as early as 35 years of age; for those with abnormal calcification foci suggested by previous mammograms and recommended for follow-up, we do not insist on annual mammograms, but can shorten the period to every 6 months to determine whether the disease has progressed. The radiological safety of repeat mammograms is also internationally recognized. If the disease is stable, it can still be relaxed to once a year. Choose the right screening program for you, not only to ensure the quality of the screening but also to maximize the economy and safety, choose only the right one not the expensive one, do not listen blindly and believe blindly, let us be the master of our own health and be a healthy “smart” woman.