Objective:To develop the College Students'Career Adaptability Questionnaire(CSCAQ)and test its validity and reliability.Methods:Based on the theoretical construction of Savickas for career adaptability and the open questionnaire survey in 136 college students,this study defined the construct of CSCAQ,and compiled the pre-liminary questionnaire.A sample of 935 subjects coming from 6 colleges was investigated with preliminary ques-tionnaire,and the data were used for item analysis and exploratory factor analysis (EFA).A sample of 1273 sub-jects coming from 8 colleges was investigated with formal questionnaire,and the data were used for confirmatory factor analysis (CFA)and the homogeneous reliability.The criterion validity was tested in 437 subjects with CSOAQ.The test-retest reliability was tested in 110 subjects 4 weeks later.Results:The CSCAQ was composed of 35 items in six factors,which were career control,career curiosity,career concerns,career confidence,career adjust-ment and career interpersonal,and the six factors explained 47.89% of the variances.Furthermore,the result of CFA indicated that the model fitted the data with well construct validity(χ2 /df=3.24,GFI =0.92,NFI =0.85,CFI=0.89,IFI =0.89,TLI =0.88,RMSEA =0.04).The CSCAQ and its factors scores were positively correlated with the CSOAQ scores (r =0.29 -0.85,Ps <0.01).The Cronbach αcoefficients were 0.90 for the total questionnaire and 0.64 -0.79 for the 6 factors.The test-retest reliability were 0.92 for the total questionnaire and 0.74 -0.82 for the 6 factors.Conclusion:It suggests that the College Students'Career Adaptability Questionnaire(CSCAQ)is reliable and valid enough to be applicable to measure college students'career adaptability.