Now Convenience Store Sector is most popular franchise chain in Taiwan industry. Especially in such high rate of franchise, it¡¦s more difficult to manage and control. But franchisee make a formal contract with franchiser, is it suitable to operate franchisee by only clear formal lease? In management control system(MCS) field, it has not any research to discuss about how to link different type of MCS which exclusive and simultaneous exist. Therefore, this research belongs to an exploratory study which choose President Chain Store Corp. as interviews in order to find chain convenience store¡¦s MCS. This study visit an important role: Operational Field Consultant(OFC) between franchise and franchisee. The interview target is 4 OFC in Kaohsiung Region of President Chain Store Corp. The research find are: the chain convenience store¡¦s MCS which is outcome control and behavior control exclusive and simultaneous. The outcome control comes from franchiser, and the behavior control comes from OFC. This research understands OFC position and role who plan a conflict solver and a moderator. This study also find the interface effect does not come from budget distribution. It should be the OFC role who negotiate between franchiser and franchisee and make them a profit successfully. The conclusion is as follows: 1. President Chain Store Corp have two different types of MCS. The outcome control comes from franchiser, and the behavior control comes from OFC. 2. The interface effect of MCS is actually exist. 3. The interface effect of CVS may link by OFC, especially OFC play an plan a conflict solver and a moderator.