Fecha de publicación: 25/12/2020 Fuente: Wipo "BigData" The invention relates to the technical field of big data and smart cities, and relates to an advertisement pushing method and system based on big data and smart cities, and a cloud platform. The advertisement feedback information of each target advertisement media stream in the advertisement pushing process is obtained, so that the advertisement drainage label analysis is carried out on the targetadvertisement media stream to determine the advertisement drainage label of the target advertisement media stream, and then the advertisement drainage jump information of the target advertisement media stream in at least one audience state mode is obtained; and after the advertisement drainage jump characteristics of the target advertisement media stream in each audience state mode are extracted,pushing object distribution of the target advertisement media stream on the advertisement drainage label is generated, thereby distributing and pushing the target advertisement media stream. The advertisement pushing efficiency and accuracy are improved by distributing and pushing the target advertisement media stream.