The present invention relates to a technology innovation management information system of a group enterprise. Its architecture includes a presentation layer, an application layer, a data layer, and a storage layer. The application layer includes an innovative idea collection unit, a planning management unit, a project approval unit, and a planning and budgeting unit. , process management unit, fund management unit, contract management unit, project completion acceptance unit, achievement management unit, intellectual property management unit, performance appraisal unit, reward management unit, project evaluation unit, innovation think tank unit, innovation platform unit, statistical evaluation unit , integrated platform unit, technical forum unit, WeChat platform unit, portal unit and background management unit, all units interact with the outside world through the presentation layer, and all the data generated by them are sorted by the data layer and then accessed from the storage layer in an orderly manner . The invention can realize all-round information management of innovative technologies by enterprises.