Abstract: In order to explore the intrinsic relationship between the business ethics sensitivity of insurance marketers and their work performance, as well as the mediating role of self-efficacy, a questionnaire survey was conducted to investigate 250 foreign employees of three large insurance companies in Xiangyang, Hubei. The results show that:(1) there is a significant positive correlation between the business ethics sensitivity, self-efficacy and job performance of insurance salesman; (2) the ethical sensitivity and self-efficacy of insurance salesman can be significant predictive job performance; (3) The self-efficacy of insurance salesman plays a partial intermediary role between business ethics sensitivity and job performance. Such a conclusion was reached:the ethical sensitivities of insurance salesman can influence job performance by affecting general self-efficacy.