The purpose of this study is to explore the influences of employees' organizational identification and organizational citizenship behaviors when they were affected by the environment outside of the organization. This research gathered 242 quailified questionnaire data through 24 organizations, and the result showed that perceived organizational support will promote organizational members to identify themselves with organizations through the individual level, and highly organizational identifications can promote members to show more citizenship behaviors which benefit organizations. Second, this research finds that harmonious labor-capital relations will make members feel better reputation perceptions through the group level. Third, the result of cross-level analysis show that perceived external prestige is positive to organization citizenship behaviors. Besides, the analytical result of the relations between perceived external prestige and organizational identification is not significant, but it still represents a negative relationship with the hypothetical inference.