Analyzing the psychology characters of city pedestrian unsafe behaviors,and finding the safety problems of city street-cross facilities,and giving some analysis in the view of psychology,some measures of city street-cross facilities optimization based on traffic psychology were put forward.

The differences between the psychological measurement of human unsafe behavior and general psychological measurement are analyzed firstly.

Based on the causality of the factors influencing human safety behaviors,key factors influencing human safety behaviors were forecasted with the method of System Dynamics(SD) theory.

Analysis on unsafe behavior at oil depots and control over risk;

Based on the observation of unsafe behavior,the unsafe behavior of workers in furniture enterprises falls into two kinds: static and dynamic.

Based on the questionnaire survey on managers and workers in coalmine, their cognitions in controlling workers' unsafe behavior and their cognitive diversi.

mart s unsafe act is the most dominant factor which leads to safety accidents, whereas the badness of safety education and training is the primary cause engendering the errors.