This research will focus on the following items. 1. The difference of the personality characteristic among different generation employees. 2. The difference in personal variation for personality characteristic, organization commitment, job satisfaction, and turnover tendency. 3. The influence of the personality characteristic on organization commitment, job satisfaction, and turnover tendency. 4. To discuss the relationship of the personality characteristic on organization commitment, job satisfaction, and turnover tendency whether interfered by the different generation. The target of research was the employees who work in domestic enterprises, and adop a questionnaire method to collection data, which sending out 1,051 questionnaires, and recovering 962. The recovery rate reaches to 92%, after eliminating 26 invalid questionnaires, we got 936 valid questionnaires, and the valid recovery rate was 89%. We will make analysis through the method includes descriptive analysis, factor analysis, letter degree analysis, independent sample t test, one way ANOVA, Pearson¡¦s correlation analysis and multiple regression analysis. The research finding as follows. 1. The personality characteristic among different generation employees have no obvious difference. There is only the difference in degree between the inner-controlled and outer-controlled personality characteristic. There is no absolute dichotomization, and most people are being between the both. There is also no absolute boundary between A type personality and B type personality, most people may own two kinds of personality characteristics in the meantime, just one kind of them is more obvious. 2. There are quite differences among the personality characteristic, organization commitment, job satisfaction, and turnover tendency, which caused by personal variable (include sex, age, marriage appearance, level of education, work seniority and job title). 3. When the employee tends to inner-controlled personality characteristic, the degree of job satisfaction and organization commitment is higher. 4. When the employee tends to inner-controlled personality characteristic, the turnover tendency becomes lower. 5.When the employee tends to ¢Ï type personality characteristic, the degree of job satisfaction and organization commitment, the turnover tendency are more high. 6. The relationship between inner-controlled and outer-controlled personality characteristic, and job satisfaction was obviously interfered by "Generation". 7. The relationship between inner-controlled and outer-controlled personalitycharacteristic, and organization commitment was obviously interfered by "Generation". 8. The relationship between inner-controlled and outer-controlled personality characteristic, and turnover tendency was not interfered by "Generation". 9.The relationship between ¢Ï type personality characteristic, job satisfaction, organization commitment and turnover tendency was not interfered by "Generation".