Objective To understand the present state of mental pressure on graduate students of natural science divisions and its responses

and to provide a theoretic basis for improving the level of their mental health.Method To take 300graduate students enrolled in Beijing Architecture University of 2013as research objects through random sampling

and General State Questionnaire

Graduate Student Mental Pressure Questionnaire

and Simplified Responses Scales were adopted to conduct investigations on them from which 277valid questionnaires were collected.Results The top three sources for the mental pressure of graduate students were the pressure from anxieties about future

the pressure from requirement of academic thesis

and the pressure from academic tasks.Differences on negative responses from students of different years had statistical significance（P<0.05）.Poor handlers of interpersonal relations were prone to negative responses

and the students inclined to take negative responses perceived more pressure on the four dimensions of overall pressure

pressure from economic conditions and facial appearances

pressure of loneliness in interpersonal relations

and pressure from unpleasant environment and mood.Conclusion The main sources of graduate students of natural science divisions are anxieties about ones’ future

academic thesis writing

and academic performances

and higher pressure were registered on those prone to take negative responses to pressures.