Organizational citizenship behavior is a kind of extra-role of behavior and attitude helpful to the organization,composes of a series of informal cooperation behavior and works as lubricant in organization operation to decrease interactive friction in the operation of each "part" of the organization in order to improve the efficiency of whole organization.China's enterprises are surpassing primitive capital accumulation period to seek profit maximization and enter a period of "corporate citizenship".Based on organizational behavior,discussion on forming process,measure and method of corporate citizenship can promote construction of new-style corporate culture as the objective of corporate citizenship which is urgently needed in the process of completing China's modern corporate system.