To know whether there are problems with the breasts, the following methods can be taken for examination: i. Breast self-examination. Second, do breast image examination. When doing breast self-examination, first take the standing position, you need to check the shape of the breast in the mirror, mainly to see whether the size of the breast is symmetrical, whether there are abnormal changes in the shape of the breast, and whether the nipple is sunken, broken or red. Take a sitting or standing position to check whether there is discharge from the breast. The second method is to go to a hospital breast specialist to do breast ultrasound or mammogram, the results of the machine examination are more intuitive and accurate. To sum up, if you want to know whether there are abnormalities in your breasts, you can take the method of self-examination and machine detection.