At present, the anti peeping film on the market can be divided into 180 degree anti peeping film and 360 degree anti peeping film according to direction. 360 degree anti peeping is anti peeping in all four directions, up, down, left, and right, while 180 degree anti peeping is anti peeping in both directions.

Anti peeping film can be divided into 30 degree anti peeping film and 45 degree anti peeping film according to the angle of anti peeping. 30 degrees refers to the front view angle of the computer user during anti peeping, which is 30 degrees left and right along the centerline, meaning the viewing angle is 60 degrees. 45 degrees refers to the front view angle of the computer user during anti peeping, which is 45 degrees left and right along the centerline, meaning the viewing angle is 90 degrees.