The manager' s communication competency is a very important factor that influences the enterprise management performance. This study, applying self-constructed "Questionnaire of manager's communication competency" and "Questionnaire of employee group cohesion" , measured 429 enterprise managers and employee from the following cities, Shanghai, Shenyang, Guangzhou, Beijing, and Ningxia. The spssl 1. 0 was used in the statistic. The results of multiple stepwise linear regression analysis at communication competency toward group cohesion rev...