High end computing software platform is the basic guarantee for implementing the friendship, availability and high efficiency of the entire machine. With the ever increase of computing scale and the emerging of new computing patterns, such as Peer-to-peer and Grid, the design of software platform faces new challenges. This paper describes and analyses the development of high end computing software platform and the designing difficulties, which it faces. Then the design case of a certain high end computing platform software system will be introduced and discussed here.