With the comprehensive popularization of digital media technology in China, digital media technology has become the main popular trend in art and design. Design psychology, a crucial aspect of design thinking, has also received significant attention from many design professionals. This article is based on digital media technology and analyzes the three basic elements of design psychology: color, graphics, and composition. This study aims to evaluate the applicability of design psychology in digital media design, focusing on its impact on color, graphics, and composition, and exploring seven different design methods to improve the quality of digital media design.