Carcinoembryonic antigen elevated to 58ng/ml should be consulted in time for improvement of tumor markers, related examination and regular follow-up. 1. Improvement of tumor markers: Elevated carcinoembryonic antigen mainly suggests the possibility of tumor, but it may also be elevated in cardiovascular diseases, gastritis and other diseases. If carcinoembryonic antigen is elevated, it is recommended to improve other tumor markers, including CA199, CA724, CA242, CA125 and CA153, and if there are other indexes elevated, then it is necessary to target further examination. 2. Further examination: including fecal occult blood test, thyroid ultrasound, gynecological examination and breast physical examination, etc. Those with smoking history need to undergo lung CT, and those with gastrointestinal discomfort or family history need to undergo gastroenteroscopy. 3. Regular follow-up: If no abnormality is found after comprehensive physical examination and doctor’s evaluation, it is recommended to test carcinoembryonic antigen and other necessary tests every year, and follow up the changes of indicators regularly. If carcinoembryonic antigen is found to be elevated, it is recommended to consult a doctor in time to find out the cause to avoid delaying the disease.