Problem Analysis And Improvement Measures For S Elevator Company Maintenance MIS

China’s elevator industry has been growing really fast during the last few decades and has been the most important elevator manufacturer. China is now keeping the most of the elevators in the world. The elevator industry will still keep fast growing in the next few decades, not only the quantity, but also the quality and service level, and the business model as well. The significant changes including the gross margin of the top 3 elevator companies has been increasing fast and domestic elevator companies also growing fast and has become important players.Comparing with western countries, there’re still many problems of China elevator market and industry. We believe along with the growing of the elevator market and the improvement of the business management level, elevator service market will become more and more important but the service management system is far behind the business need. The Information System Diagnosis research of S Elevator Company, by introducing the theories like Information System Diagnosis and Value Chain Analysis, and comparing with the value added activities of current Service Business model and the information system management practice in S Elevator Company, including the implementation of information system and the business environment, defined the learnings and the problems of system design, data management, business management and organization management, as well as the root cause. This article also brought out the proposals of business process and system improvement on system architecture, system integration, data management and control management from process standardization, data security, and system improvement perspectives to fulfill the business requirements.The rapid evolution of the internet of things provides new possibilities for the development and implementation of intelligent elevator controlling system that becomes the next big thing of the elevator industry. Hope the research in this article could give guidance and reference to the management of Elevator Service business and the information system, and it needs further inspection and perfection.