Abstract: In order to improve the overall quality of workers and reduce the occurrence of safety production accidents in coal mine enterprises, by using the method of combining experiment and questionnaire survey, the selected staff from Wulong Mine were under the KYT; the influence of KYT on employees' mental health and operation against rules was investigated through statistical analysis of questionnaire survey before and after training. The results show that KYT can significantly reduce the occurrence rate of miners' operation against rules, especially for the workers those age are under 50, marital status is not stable, length of service workers is under 15 years, the effect is much better.