The invention discloses a geographic knowledge acquisition method, which comprises the following steps of: 1, analyzing sources of geographic knowledge, and dividing the obtained sources of the geographic knowledge into a natural language and a graphic language; 2, carrying out feature analysis and concept modeling on the obtained geographic knowledge; 3, extracting geographic information from theobtained geographic knowledge, wherein the geographic information at least comprises identification of a geographic entity, extraction of feature information and association between the geographic entity and the feature information; and 4, generating a geographic knowledge graph. The invention aims to provide the geographic knowledge acquisition method, which can fill the blank of the existing geographic knowledge acquisition way and a method for converting the geographic knowledge acquisition way into a knowledge graph, essentially promotes the intellectualization, socialization and popularization of geographic information services, and further promotes the development of geographic information science theories and applications.