2D Shopping site can only provide people with simple pictures and text messages without interaction and sense of reality. This paper argues how to solve these problems through 3D mall for it will become the future development trend of online shopping. In DVR(distributed virtual reality system) virtual environment virtual environment, the different position of multiple users can interact with the collaborative operation. From three perspectives of building a 3D model, designing an interaction function and creating a website, this paper puts forward a scheme of construction for 3D mall system under the environment of DVR By studying a necessity of the 3D mall According to a report which is issued in 2014 Q1 by IT research center of China, we can easily find out that online users have more than 310 million people and online shopping markets scale reaches up to 456.44 billion yuan. It is increased 27.6% than a year ago as shown in figure 1. Obviously, shopping on line has become a new way of consumption [GRAPHICS] Making more money from more users than before in a whole network, every online business how to show a strength, highlight an advantage of product, attract and obtain more new users have been being a most urgent tasks with the popularity of online shopping. Now the display method of product through text and images is only based on 2D plane in the most of E-commerce sites, which not only makes online users be difficult to compare and choose their goods needed among the thousands of homogeneous website like a drop in the ocean, but also makes consumers dazzling.