CEA generally refers to carcinoembryonic antigen, and a carcinoembryonic antigen value of 6.0 μg/L is considered abnormal, but its severity depends on the specific cause of the disease. Carcinoembryonic antigen belongs to a kind of tumor embryonic antigen, and it is considered abnormal when the carcinoembryonic antigen is >5μg/L. Therefore, a carcinoembryonic antigen value of 6.0 μg/L is abnormal and serious, and patients need to pay attention to it. People with carcinoembryonic antigen value of 6.0 μg/L should be alerted to colorectal cancer, gastric cancer, cervical cancer, endometrial cancer and other diseases. Some people should also be alerted to benign lesions such as intestinal obstruction, biliary obstruction, pancreatitis, colon polyps, etc. Carcinoembryonic antigen value of 6.0μg/L. At the same time, clinical observation of this index can be used to judge the effect of tumor treatment, prognosis, etc., in order to formulate and adjust the treatment plan. It is recommended that people with carcinoembryonic antigen value of 6.0μg/L should undergo further detailed examination in order to clarify the disease.