Objective To study the effect of multimedia healthy education on the lung function test.Methods Totals of 851 cases between March 2009 and September 2011 were randomly divided into routine healthy education group ( n =427 ) and multimedia healthy education group ( n =424 ).The quality of forced vital capacity examination of two groups were observed.Results The target rate of exterpolation volume of forced vital capacity examination of routine healthy education group and multimedia healthy education group respectively were 87.82％ and 93.16％,and the difference was statistically significant ( x2 =7.04,P ＜0.01 ).The target rate of repeatability were 81.97％ and 87.50,and the rate of finish time less 10 min were 85.95％ and 92.45％ respectively between two groups,and the difference was statistically significant ( x2=9.33,P＜0.01 ).Conclusions The well cooperation of client is needed for lung function test. Multimedia healthy education helps to improve the quality control and test efficiency of forced vital capacity examination for the client level.