PROBLEM TO BE SOLVED: To provide a reflection type screen that can reduce videos from being displayed on the ceiling and display defects such as bright lines and display bright and good videos, and a video display system including the same.SOLUTION: A reflection type screen 10 includes a reflection layer 12 that reflects video light, and a surface optical layer 15 that is located on a video source side with respect to the reflection layer 12 in the thickness direction of the reflection type screen 10 and has a plurality of unit prisms 151 in a substantially polygonal shape arranged to be convex to the video source side on a surface on the video source side, where a height h2 of the unit prisms 151 regularly or irregularly changes in the longitudinal direction of the unit prisms 151.