Occupation stereotype influences the attitude and behavior of people engaged in the occupation, and also influences their theenthusiasm and performance. Researching occupation stereotype, demographic factors and the relationship of the occupation tereotype to job performance expectations among instructers in colleges and universities，to provide the practical basis for instructers in colleges and universities to recognize their occupationcognition and improve work performance, but also provide the scientific anagement theory basis for the management of instructers in colleges and universities，and promote the management efficiency of colleges and universities in China.