When contemporary landscape designers have innovated the traditional landscape concept, multimedia technology is used as a principle tool to advance landscape architecture, which also represents one of the development trends of landscape architecture. In general, the modern landscape development, it's the precise measurement of the 3D landscape index can make up for the defects of the 2D landscape index. The main purpose of this article is to study multimedia technology as a professional research tool and aesthetics into contemporary natural landscape. Studying the relationship between the contemporary natural landscape and multimedia technology from the perspective of "multimedia teaching" brings the new changes, contents, and forms of the field. In this paper, we analyze the designs and applications of multimedia technology in landscape, which are mainly reflected as having negative effects on the application of multimedia technology, exampled by light pollution, noise pollution, "container man effect'' and the infringement of privacy due to the interactive nature of multimedia. The paper presents how multimedia can be used as a media to shape a more humanized landscape space environment with the characteristics of the information age. The paper gives the corresponding solution strategy, scheme and expounds on the practical prospect of multimedia technology in the future of landscape design.