Web Spatio-temporal information describs the spatio-temporal scope of events or actors. One could find spatio-temporal knowledge such as the services scope of network resources, geographical distribution of search behavior, and the web page-based disaster description. This paper systematically reviews the web spatio-temporal data mining technology and services. Firstly, this paper introduces the unique characteristics of web spatio-temporal data, discusses the methods of web spatio-temporal information extraction. Then,it introduces each type of web spatio-temporal data mining methods. Finally, some challenges and future directions are discussed. 