According to the Administrative Measures for Computer Information System Integration Qualification (Trial) ([1999] 1047), computer information system integration refers to the overall planning, design, development, implementation, service and guarantee of computer application system engineering and network system engineering. Computer information system integration qualification refers to the comprehensive ability to engage in computer information system integration, including technical level, management level, service level, quality assurance ability, technical equipment, system construction quality, personnel composition and quality, operating performance, asset status and other elements.