Cross function team is a group constructed by people from two or more departments. Such team is very important for executing a project that needs various experts, especially in research institute. The performance of cross function and its influential factors are reviewed in literature, operational definitions, hypothesis establishment, and steps of empirical study are followed. There are three relations in the proposed model: first, the factors constructed from establishment will influence the team behavior; second, the factors constructed from initiation will also influence the team behavior and moderate the strength of relation between establishment and team behavior; and third, the factors constructed from team behavior will influence the team performance. Based on the result of data analysis and high