Objective Based on the analysis of relevant factors on scores of the first clinical dietitian post-training examination (CDPTE) in China,to explore the clinical dietitians' post competency evaluation basis.Method 108 students who completed the clinical nutritionist training (60 physicians,nurse or technician 48) were imposed comprehensive evaluation designed according to the concept of post competency.Through analysis and comparison,the correlation factors of the candidates' passing rate and their mastering rate of the module were studied.Results The results of all the candidates' comprehensive theoretical examination increased with the degree and the source of the candidates.Among them,the college students' pass rate was 76.47％,undergraduates' pass rate was 86.21％,Graduates' pass rate was 96.97％;the pass rate in western region was 85％,the central part was 85.71％,the eastern part was 89.55％.All the candidates' knowledge module mastery rate in the comprehensive examination of the theory from high to low in order was:for hospital diet (73.7％),enteral nutrition and parenteral nutrition (72.7％),public nutrition (70.7％),nutrition screening and assessment (66.7％),common nutrition related diseases (65.4％),clinical nutrition related health students regulations,medical psychology and ethics basic knowledge (40.0％).The examination pass rate was related to the educational level of the examinee and the source area,while the knowledge module mastery rate was closely related to the work of clinical nutrition.Conclusion We concluded that the CDPTE could objectively reflect the candidate's clinical competence and professionalism and it was designed on the basic principle of post competency.CDPTE has a positive significance for scientific assessment of clinical dietician,guide for training,and evaluation of training effects as well.The scores of CDPTE can objectively reflect the examinees' clinical competence and professionalism and CDPTE can achieve the goal of evaluating the candidates' competency,and it is of practical significance for scientific evaluation of clinical practice,guiding learning and evaluating the training effect.