Abstract: The aim of the present study was to learn the current situation and the impacting factors of subjective well-being（SWB） of college students majored in animal and veterinary sciences,so that countermeasures can be further adopted to improve their SWB and learning motivation.Students majored in animal and veterinary sciences from a university in Jiangxi Province were investigated using SWB scale of Campbell for questionnaire,and SPSS 17.0 were used for data statistical analysis.The results showed that respondents′ average happiness index,index of general affect,and life satisfaction was 9.62 ±1.96,4.65 ±0.86 and4.51 ±1.23,respectively,which were below the average level of general college students.Students who were boys,in grade two,non-only children,unqualified for scholarship,with poor school performance,sleeping badly or doing less sport had lower SWB.In conclusion,strategies such as guiding them to plan for their career after graduation,improving teaching quality,increasing opportunities for practice,strengthening physical exercise,improving the sleep status and strengthening psychological counseling can be adopted to improve the level of SWB of college students majored in animal and veterinary sciences.