Many companies have developed corporate database systems and/or management information systems, some have established intelligence units. However, the systems often fail to scan the external environment to which the companies are exposed, and fail to yield meaningful intelligence, thus overwhelming managers with internal data. Argues that to address the information needs of top marketing managers, the environmental factors that have immediate effects on the company′s operation should be identified. Computer-based information systems could play an important role in collecting environmental information from various sources; however, in interpreting data and disseminating intelligence to marketing managers, a human-computer mixed system is essentially required. The system would be used in conjunction with a corporate database system to present intelligence to marketing managers, so as to keep them instantly informed, reinforce their knowledge learning, and support their decisions. Highlights the critical factors for developing and utilizing such systems. The approach adopted is to examine managers′ working style and decision processing, to develop a framework of environmental scanning, human-computer-based data filtering, interpreting, and intelligence reporting system with natural interface.