due to lack of knowledge management system in the organization of technical and vocational university of iran (tvuni) and losing good employees because of retirement and substitution causes huge amount of costs to replace the similar expertise. there is no any suitable system in the tvuni to store, to document, and to distribute knowledge. based on the university’s features such as it has different institutes and faculties in 110 cities of the country, a suitable model of knowledge management is needed to solve the mentioned problems. consequently, in this thesis, first knowledge management and its models are studied and evaluated. then a suitable model of knowledge management based on the requirements of the university is proposed.