Organizational citizenship behavior is a series of self-cooperations related with the work，from the overall it can increase organization performance. If the members of the organization have a high degree of mutual trust， they will adopt a cooperative behaviors， such as the unilateral cooperation， altruism， spontaneous behaviors out of the work duties. Interpersonal trust， either directly or indirectly af ects the organizational citizenship behaviors.In Chinese and western organizations， the dif erent appearance of the trust relationship will give direct different impacts on the organizational citizenship behaviors. Chinese enterprises should take appropriate measures to promote organizational citizenship behavior according to the characteristics of trust relationships within the organizations.