Objective Demonstrated ability to research and application of classroom-based teaching of medical statistics the necessity and feasibility.Methods In 2009 and 2010 five-year study course of medical statistics,seven-year and graduate as an object,a total of 1325 people,to teach classes for the unit were randomly divided into A,B groups,to crossover design,A group sections of the first half of the traditional teaching mode,the latter part of chapter to education reform model,B two sections of the first half to take education reform model,the latt...