Objective　To get a view of the participation

motivation and barrier of voluntary activities in medical graduates

and to provide valuable advices for improving such behaviors. Methods　The convenience sample method was used in medical graduates in 2014 and the total sample was 348. The data of voluntary service were collected by self-designed questionnaire

including whether partici-pating in voluntary service

times

types

motivations and barriers. SPSS 20.0 were used in statistic analysis and data were processed by description analysis and χ2 test. Results　The effective response rate is 80.7 % (281). The proportion of the post graduated students participation in voluntary activities is 65.8% (185)

however

only 13.4% (28) claimed such activities more than 3 times. The proportion of participation in male

student leaders and party members were higher than those female

non-student leaders and non-party members

the different is statistically significant (P<0.05). The proportion of medical related voluntary activities is 52.6%. The primary motivation of voluntary behaviors is social responsibility (30.1%)

while the primary obstacle is lack of medium （39.50%） and limitation of personal time and energy (30.0%). Conclusions　The participation and persistence of voluntary activity in graduated students are not high enough. The colleges need to strength the organization and management of voluntary activities and focus on social responsible education

inspire and guide the postgraduate students to participate in voluntary activities persistently by using their specialties.