Abstract: Man-computer interface design is the important part of the radar terminal. The modern radar terminal is an embedded radar device integrated of data -process,display and control, information report and system bite and so on, so it must be provided with muhibarrel,strong performance of real time,less resource handling,easy to use and good maintance. VxWorks becomes the first OS of radar terminal because of its highly security and strong performance of real time,but it has poor ability of graphics processing . The article will give the realizing method of embedded radar terminal man-computer interface design base on vxWorks be the same with common display cards.