If patients with abdominal aortic aneurysm are treated conservatively, they should pay attention to follow the doctor’s instructions, closely monitor the blood pressure, heart rate and other indexes, correct the bad habits, and consult the doctor in time for the emergence of sudden abdominal pain, which are described as follows: 1. Follow-up on time: patients with conservative treatment, usually the tumor diameter is below 4cm, generally require an ultrasound examination every 2~3 years, or once a year if there are conditions. If the tumor diameter is between 4~5 cm, it should be examined at least once a year. If the growth of the tumor is accelerated, surgical treatment needs to be considered. 2. Closely monitor the blood pressure and heart rate: patients with abdominal aortic aneurysm must pay attention to monitoring the blood pressure, heart rate and other indexes, keep the bowel clear, avoid forceful defecation, in order to prevent rupture of the aneurysm. 3. Correct bad habits: pay attention to maintain good habits, avoid staying up late, eat a light diet, quit smoking and avoid alcohol. 4. Seek medical treatment in time if there is sudden abdominal pain: seek medical treatment in time if there is sudden abdominal pain to prevent rupture of aneurysm. Abdominal aneurysm patients need to pay close attention to the condition, if necessary, should be timely surgical treatment.