The most common methods of detecting breast diseases include the following: 1. Self-examination of the breast, usually by touching various areas of the breast with the belly of one’s finger, can detect lumps and abnormalities in the breast at an early stage. 2. The most commonly used and accurate examination method is mammography ultrasound, which is a routine examination without radiation and no harm to the body. 3.Mammography examination of breast is mainly for comprehensive analysis of calcified foci in breast, which is a kind of examination for early diagnosis of malignant tumor in breast, this examination can find small malignant tumor, but it is not used as routine examination because of radioactivity. In addition, MRI of the breast is currently a more advanced and accurate examination method. If you want to choose a specific test, you should consult your doctor after visiting the hospital.