with the rapid development of mobile Internet technology，the new media such as government administration，micro-blog and government administration WeChat have been widely used in the process of urban image construction and become a new channel and platform for city image communication. This study selects 6 new government media in Guangzhou as the research object，and through in-depth analysis of the content of Guangzhou government double micro platform spread characteristics and the image of Guangzhou city. The study found that the Guangzhou government double micro platform keen to spread the government and cultural information，cultural image and presentation focused on the Guangzhou environment，traffic image，pay attention to check information release process，strengthen the functions of property，build communication service platform，take the initiative to set the agenda，close to the audience preferences. However，there are some problems such as the single form of publication，the imbalance of content，the lack of local elements，the new media advantages are not prominent，the information release is confused and the publishing organizations are doing everything in their own right. This article suggests that Guangzhou government double micro platform to clear positioning，rich content and release form；unified planning，coordinating the deployment of city image communication work；strengthen the joint implementation of double micro interaction；enhance the operators of media literacy，enhance the government double micro platform communication.