33. A method for providing a service information, comprising: classifying and storing the service information regarding a specific environment in the specific environment by using a service information classification and storage module; mounting a information sending unit on at least one object in the specific environment to transmit a context information regarding the at least one object; and providing the context information and the service information to a mobile device comprising a information receiving unit and a context operation platform when a user carrying the mobile device enters the specific environment and turns on the information receiving unit of the mobile device, wherein the context operation platform comprises a information collection module for collecting information, a data classification and storage module for storing and classifying a user preference information, a inference module for inferring a context, and a service request module for obtaining the service information, wherein the context operation platform forecasts a need of the user and provides a recommendation information to the user based on the context information, the service information, and the user preference information.
33. A method for providing a service information, comprising: classifying and storing the service information regarding a specific environment in the specific environment by using a service information classification and storage module; mounting a information sending unit on at least one object in the specific environment to transmit a context information regarding the at least one object; and providing the context information and the service information to a mobile device comprising a information receiving unit and a context operation platform when a user carrying the mobile device enters the specific environment and turns on the information receiving unit of the mobile device, wherein the context operation platform comprises a information collection module for collecting information, a data classification and storage module for storing and classifying a user preference information, a inference module for inferring a context, and a service request module for obtaining the service information, wherein the context operation platform forecasts a need of the user and provides a recommendation information to the user based on the context information, the service information, and the user preference information. 35. The service information providing method according to claim 33 , wherein the data classification and storage module comprises an ontology technique.