CT and MRI are two completely different imaging methods, the differences are mainly as follows: 1. 2, the scope of application is different, CT density resolution is relatively high, so mainly for the head, abdomen, bones and other checks; while MRI on soft tissue resolution is relatively high, suitable for the central nervous system, abdomen, small organs, and blood vessels and other checks. 3, the price is different, CT price is relatively lower than MRI.