Abstract: Objective:To explore an effective method to improve the teaching quality of preventive medicine experimental classes.Methods:A series of reforms such as breaking the boundaries between different subjects,merging experimental plans,renewing teaching materials and reforming experimental teaching method were carried out.Results:The students' study interest was effectively aroused and their ability of applying theories to practice was significantly elevated.Conclusions:The reforms taken may greatly enhance the students' mastery of their professional knowledge of preventive medicine,thus elevating their ability of systemizing and making use of their learning.