Abstract: We propose the purpose, the operating environment and the structure, functions and technical characteristics of establishing the basic information database platform of national coal mine gas. The platform is constituted by a large database which can be dynamically updated, professional website and supporting software systems. The database currently contains more than ten thousand pairs of mines and more than 60 million units on coal mine gas. The platform has the monitoring system, data acquisition systems, and data sharing systems, which provides long-term services for the government, enterprises and research institutes.