Abstract: A mobile apparatus, a geographical information system and a method of acquiring geographical information are disclosed. The geographical information system is used for acquiring geographical information of a geographical object. The system at least includes a geographical object message and a mobile apparatus. The geographical object message is provided by the geographical object. The geographical object is generally an identification code or an image. The mobile apparatus is used for receiving the geographical object message, and generating an inquiry command after identifying the geographical object. Geographical information corresponding to the inquiry command is searched from a database of the mobile apparatus based on the inquiry command. The searched geography information is displayed on the mobile apparatus. The invention provides a direct viewing of geographic information for users to improve the degree of freedom of a trip and effectively manage personal time.