In order to explore the effect of Audio-visual teaching on learning burnout, this study conducts a survey among 360 middle school students by using questionnaire and experimental method .The result shows that Senior 2 and 3 students' score in terms of behavior improper dimension is significant higher than general level;the scores of 3 dimensions of learning burnout in Audio-visual teaching group are significant lower than in Non-audio-visual teaching group;the girls' scores of dejection and behavior improper dimension are significant lower than the boys' in Audio-visual teaching group. It is c...