Combining theory with practice and proceeding from operability,this paper puts forward 7 principles of constructing the information service guarantee system,that is,engineering,capability,mutual service,service advantages,Web based information,overall coordination and sustained perfection.Meanwhile,the paper points out that,in the construction and operation of the information service guarantee system,the interrelationship of key elements is more important than the constitution of key elements,and the construction of the system is more important than the application of technology.
