With the improvement of people's material living standards and the needs of daily work, projection screens are more and more widely used in many fields. Strictly speaking, projection screens have various properties such as color, size, variety, gain, contrast, uniformity, etc. Therefore, choosing a suitable projection screen to achieve the desired picture effect is not a simple matter. So, how do non-professionals choose a suitable projection screen? This is a common concern of many consumers. The following Xiaobian from Guanye will sincerely introduce to you how to choose a suitable projection screen.