Objective To investigate the status of learning burnout and family function of middle school students,understand the relationship between learning burnout and family function and explore the impact of family function on learning burnout. Method 344 middle school students from grade 7 to grade 12 were surveyed with FACESⅡ-CV and Scale of Learning Burnout of Middle School Students. Results The differences were statistically significant in family cohesion and adaptability between high learning burnout group and low one(P<0.05).The students' cohesion and adaptability in low learning burnout were better than those in high one.The difference was statistically significant in family cohesion(P<0.05).The ratio of the " Disengaged" type of cohesion in the high learning burnout group was significantly higher than that of the low one,and that of the " Connected" type of cohesion in the high learning burnout group was significantly lower than that of low one. Conclusion This study indicates there are great differences between high learning burnout group and low one,and family function greatly influences the two.