There is a close relationship between the screen and the scale of auditorium; therefore, to determine the width of screen and the scale of the auditorium correctly, the film projection and cinema technique should be acquainted with.

Through the analysis of the modern cinema design,the paper emphasizes the importance of the cinema process design,mainly studies the design of the width and the height of the screen,discusses the screen treatment method used in the cinemas such as the equal-height method,the equal-wide method and the equal-area method,to create the good environment for the audience to feel the modern film art.

Studies on Dispersion of GRIN;