【摘要】Viewed from calculating effects of educational activity. the paper makes research on computing methods of the contribution rate of education.Based on introduction of Yhrec basic methods concerned in other countrics,the author puts forward some proposals on further improvement,and then makes exploration into determination methods of concise coefficients of labour in China. Finally,the author calcufates the educational contribution rate during periods of 1982一1992 by means of the method improved.