To realize the unitary management of approval technology information existing in each performance evaluating organization, and to support the application or design.

This technology information management system 10 is provided with a design information DB 14 for string various conditions to be observed in the design or construction of an architecture such as the design books of individual architectures and various regulations related with those architectures, an architectural material DB 16 for storing the results of evaluation and/or approval related with those individual architectures, various information related with the approval construction method or materials, and information indicating examples using the techniques or materials, and a design supporting part 24 for extracting the conditions necessary for the design from the design information DB 14 based on the information related with the architectures from a user, and for extracting the techniques or materials and/or examples satisfying the conditions from the architectural material DB 16, and for providing them to the user.