A method for realizing a web dynamic geographic information service, comprising: transmitting, by a client, a request for describing a function to a web dynamic geographic information server, and transmitting, by the web dynamic geographic information server, a function description document to the client, the function description document comprising a profile description list of data drivers supported by the web dynamic geographic information server, selecting, by the client, a specific data driver in accordance with the profile description list of the data drivers; transmitting, by the client, a request for describing the specific data driver to the web dynamic geographic information server in accordance with the specific data driver, and transmitting, by the web dynamic geographic information server, a detailed static description document of the specific data driver to the client; determining, by the client, a set of key value pairs of configuration parameters of the specific data driver in accordance with the detailed static description document, transmitting, by the client, a parameter configuration request to the web dynamic geographic information server in accordance with the set of key value pairs, performing, by the web dynamic geographic information server, parameter configuration on the specific data driver, and transmitting, by the web dynamic geographic information server, a detailed dynamic description document of the specific data driver to the client; and dynamically updating, by the specific data driver on which the parameter configuration has been performed, original data, and transmitting, by the client, a request for reading data to the web dynamic geographic information server at a specific frequency so as to obtain data corresponding to the configuration parameters. transmitting, by a client, a request for describing a function to a web dynamic geographic information server, and transmitting, by the web dynamic geographic information server, a function description document to the client, the function description document comprising a profile description list of data drivers supported by the web dynamic geographic information server, selecting, by the client, a specific data driver in accordance with the profile description list of the data drivers; transmitting, by the client, a request for describing the specific data driver to the web dynamic geographic information server in accordance with the specific data driver, and transmitting, by the web dynamic geographic information server, a detailed static description document of the specific data driver to the client; determining, by the client, a set of key value pairs of configuration parameters of the specific data driver in accordance with the detailed static description document, transmitting, by the client, a parameter configuration request to the web dynamic geographic information server in accordance with the set of key value pairs, performing, by the web dynamic geographic information server, parameter configuration on the specific data driver, and transmitting, by the web dynamic geographic information server, a detailed dynamic description document of the specific data driver to the client; and dynamically updating, by the specific data driver on which the parameter configuration has been performed, original data, and transmitting, by the client, a request for reading data to the web dynamic geographic information server at a specific frequency so as to obtain data corresponding to the configuration parameters.