Abstract: As a platform for reform and innovation of mineral resources management system, green mining development demonstration district was the inevitable choice to promote the scale development and transformation and upgrading of mining industry.Based on the research of advantages of resources, industry, environmental protection and secondary development of salt cave resources of salt mine in Huaian, from the perspectives of scientific planning of mining layout, development of circular economy, effective use of salt cave resources and extension of the salt chemical industry chain, it put forward construction idea of green mining development demonstration district of salt mine in Huaian and made suggestions from three aspects, including promoting green exploration and incorporating salt cavity storage into land space control, building green mines in an all-round way and constructing green mining development demonstration districts, accelerating the integration of rock salt resources in salt basin and incentive salt mines to adopt new technology.