CT examination is a common examination method, which can be applied to many parts and diagnose many diseases. After CT examination, patients need to pay attention to the following matters: 1. Patients should go to the self-service film retrieval machine to take the diagnostic report and image film with the barcode on the film bag within 2 hours after the examination; 2. After receiving the enhanced CT scan, you need to wait for thirty minutes, and if there is no adverse reaction, the nurse will remove the needle before Leave, at the same time, pay attention to pressure on the wound to stop bleeding; pay attention to any late adverse reactions after leaving, if there is discomfort, go to the hospital to deal with it in time. Drink more water and urinate more after the enhancement examination to accelerate the excretion of contrast agent and reduce the occurrence of adverse reactions; 3. After the examination, if mild adverse reactions occur, do not panic, and the symptoms will be relieved and disappear after sitting quietly for a while. If serious discomfort occurs, please inform the doctor immediately to give timely treatment and help. The vast majority of discomfort will be relieved by treatment.