Normal pressure on the breast may produce pain, but whether there is a specific lesion need to go to the hospital gynecology department to find a professional doctor to check, in order to clearly diagnose. It is normal for adolescent girls to have a slight swelling and pain when pressing their breasts, and it is not necessary to worry too much. Pregnant women’s breasts can also be painful when pressed. Due to changes in estrogen levels in the body, the breasts will grow and enlarge, and the pain will last throughout pregnancy, which is also normal. This is also due to the increase of estrogen in the body. The pain usually disappears after the end of menstruation. In addition, breast cancer, mastitis and breast hyperplasia can cause painful pressure on the breasts, so patients should go to the breast department of the hospital for medical examination or mammography. In addition, pain in the breast is often related to fatigue, irregular work and rest, mental tension, etc. Therefore, in daily life, patients should relieve the pressure of life and work, and maintain a relaxed mood. It is recommended to develop the habit of breast self-examination, and once a lump or nodule is found in the breast, you should go to the hospital as soon as possible.