This paper introduces the theory of course teaching and experiment teaching of principle of computer organization, thought the direct-viewing teaching method suits the course teaching, the inspiring teaching method suits the experiment teaching, used the above teaching method the author had obtained the good teaching effect in his own teaching.

A brief talk about the application of object teaching in biological revision;

On application of object teaching in mechanical drawing course;

《Metal Material and Heat Treatment》,the concept in this course is many and abstract,fully utilize such object teaching ways as wall map,model,material object,multimedia teaching with audiovisual aids and on-the-spot teaching,etc,that can get up to the teaching of this course concept to the result of tetting twice the result with half the effort.

First,by showing many photos of plants to make students easily understand the lecture;secondly,by using plants resources on the campus to strengthen audio-visual teaching of Botany;thirdly,taking the advantage of high plateau plants resources to reinforce the special teaching.

In order to improve the teaching of engineering drawing,this paper states the importance of audio-visual aids in teaching,and introduces some commonly-used audio-visual aids and proper ways to use them.