Abstract:Ihe method of compiling input-output models of science and technology was studied，and the application of input-output techniques in evaluating the progress of enterprise science and tech-nology was discussed.  And the models for determining direct，indirect and full contributions of theprogress of enterprise science and technology have been set up which can be used to analyse and evaluatethe direct，indirect and full benefits of the progress of enterprise science and technology.

Key words: input-output techniques     input-output models     progress of science and technologyfull economic benefits