Abstract: The revolutionary changes of the Internet of Things in the acquisition, transmission, storage and application of coal mine safety information lead to great changes in the way of coal mine safety supervision and operation, and then put forward reform requirements for the current safety supervision system. We summarize the characteristics of Internet of things application in coal mine safety regulation, analyze the new requirements on the organizational structure, operation mechanism and supervision mode of the safety supervision system, put forward the direction and principles of regulatory system reform under the environment of Internet of Things, and put forward specific reform levels and suggestions from three aspects of organizational structure, operation mechanism and regulatory mode.