The present thesis investigated 341 empirical studies published in Sociological Research during 1990s. The researchers conducted quantitative analyses of empirical studies and research methods in China.The following findings have been made:1)In comparison with 1980s,substantial improvements have been achieved in empirical research during 1990s.The studies reflect enhanced scientific accountability and regularity.2)There have been significant changes in the constitution of sociological researchers;sociology has reached a new stage of institutionalization and professionalism.3)Yet many deficiencies exist in the application of concrete research methods.Pragmatism,experience inclination and policy\|inclination,which were characteristic of sociological research in China during 1980s,still remain.Chinese sociologists should made substantial improvements regarding the problems above.