Breast cancer is one of the most common and frequent malignant tumors in women, and the tumor markers closely related to breast cancer include Glycoantigen 153, Glycoantigen 125, Carcinoembryonic Antigen, Glycoantigen 199, etc. These tumor markers play an important role in monitoring the progress of breast cancer and understanding the efficacy of treatment. These tumor markers play an important role in monitoring the progress of breast cancer and understanding the efficacy of treatment, and also play a certain role in assisting the diagnosis of breast cancer. For breast lumps, in addition to breast ultrasound and molybdenum target examination, monitoring of breast tumor markers is also needed. Generally through the blood test these indicators, if the indicators are higher than the normal value of 3-5 times or higher levels, we should highly suspect that the breast has a tumor.