Objective:Providing scientific method and basis for selection and use of management personnel in private enterprise through understanding the state of mind of management cadres in better profitable private enterprise.Methods:124 management cadres in private enterprise were administered CPI.Results:Individual character state of mind of the whole was better, than the norm.The proportion attained 57.3% of testees in extroversion routine trend type.The other three kinds of personality category was 17.7%, 14.5%, 10.5% in proper order.Individual integration and realization of latent energy were 72.5%, four grades higher than average level.Conclusion:CPI provides scientific basis for selection of management cadres of high quality and further rational use of them in private enterprise.