At present, with the rapid development of the computer Internet, digital media art based on digital technology, to create a high aesthetic works of art and information products. Digital media has gradually evolved into the latest technology in the world, covering a wide range of fields, including education. Its reasonable application in teaching design can significantly improve teaching efficiency and quality. Based on the above background, the purpose of this paper is based on the digital media environment art design professional knowledge communication teaching design and practice. Therefore, this study will be based on the connotation and core of digital media environmental art knowledge construction theory, based on the actual teaching situation in China, to construct a universal teaching mode. This study comprehensively uses the methods of literature research, action research and investigation. First of all, the connotation of digital media characteristics, basic principles, process law and other content of in-depth exploration. Secondly, based on the content of theoretical exploration, combined with the actual teaching situation in China, the design principles and design ideas of the teaching mode are determined, and the "IG-GC two-level six stage knowledge construction teaching mode" is constructed. Finally, the teaching model is applied to real teaching cases, and it is found that the new teaching mode can improve students' scores by 20%. The rationality and effectiveness of the teaching mode are preliminarily verified through standardized tests and questionnaire interviews.