Abdominal MRI examination is more complicated than CT examination, it needs to be completed by sequences, a part contains 3-6 sequences, each sequence is about 3 minutes, if the sequence is more special, it will take 5 minutes, and generally it takes a total of 15-20 minutes. However, the examination time is closely related to the patient’s cooperation, if the patient has a high degree of cooperation, breathing is more regular, it can be completed in 15 minutes; if the patient has a low degree of cooperation, can not cooperate with the breath holding rhythmic breathing, the examination time is correspondingly prolonged, and more often in 1 hour to complete. In addition, before the abdominal MRI examination, it should be confirmed whether the patient has a history of metal implants in the body, if there are metal implants in the body, then it is impossible to carry out the MRI examination.