Abstract: To meet the needs of mordern social and scientific development,We put forward the conept of “knowkeeye niche ”for the forst time in our country (1987)which tells us how to foster the reasonable qualified personnels'knowledge construction,then we do further research and discussion to the formation of “T” type qualified personels'theory system, which focuses on developing reasonable knowledge construction.——namely the theory of comprehensine qualified personnds(1989). Accoreding to “T” type qualified personne...