Before the MRI examination, patients are required to remove items of metallic nature, such as cell phones, watches, cards, and rings. During the examination, according to the different parts of the examination, cooperate with the examination requirements. Such as abdominal MRI examination, need to carry out breathing training, to avoid improper breathing due to the patient, resulting in the movement of abdominal organs, which will have an impact on the results of the examination; such as abdominal pelvic examination, need to fast four hours in advance; such as MRCP examination of the pancreatic cholangiopancreatography, need to fast in advance; such as urinary examination and pelvic massage examination, need to be held in advance to properly hold the urine.