Objective In order to explore the quality difference of dissertations

and to improve the quality of dissertations for providing the evidence of decision-making basis and reference. Methods According to the evaluation index system of postgraduate dissertations

data analysis and horizontal comparison based on total quality and subject categories of 366 dissertations and 1051 double-blind reviews was implemented by excel and spss19.0. Results: 80% of the dissertations in the unqualified category were poorly selected

and the normative rate was only 21%; the poor rate of basic medical group was 3.8% on subject category

the military management group had a poor rate of 5.6% on“innovation and dissertation value”and 1.9% on“normalization”

the basic medical group had 2.5% on“basic knowledge and scientific research ability”. In conclusion: Topic selection is the key to the quality of dissertations

the groups of basic medicine and military management should improve the scientificity of topic selection and normalization