Abstract: The concept of unified address has been proposed only in recent years. Its main essence and significance is to serve as a “bridge” for the effective relevance integration of the elements of social governance on the basis of full respect for the existing industry standard address of each department. Provide support for the delicate governance work, such as mapping out the bottom numbers and precise policy-making, which is an innovative application of surveying and mapping geographic information technology in the field of digitization and intelligence of social governance. This paper makes a preliminary study on the key technology of the unified address in the construction process, and briefly introduces the practical application of Hangzhou city. At present, the Hangzhou mode of unified address construction has been popularized in Zhejiang province.

Key words: unified address, social governance, relevance integration, key technology, surveying and mapping geographic information