An information transmission method, applying for a terminal, the method comprising: obtaining location information corresponding to a current location in a first area, wherein the first area is covered by a first beam through a network side device, a first communication service is provided in the first area, and the step of obtaining the location information corresponding to the current location comprises: obtaining a location coordinate of the current location; determining a location area identifier of an area where the current location is located according to the location coordinate; and using the location area identifier as the location information corresponding to the current location; and reporting the location information, wherein the location information is used to obtain a second communication service provided by the network side device through a second beam, the second beam covers a second area, the second area is a sub-area of the first area, data transmission performance of the second communication service is higher than data transmission performance of the first communication service, and the method is characterized in that the step of reporting the location information comprises: when the location information comprises the location area identifier, determining a random access resource corresponding to the location area identifier according to correspondence between the location area identifier and the random access resource; and reporting the location area identifier through the random access resource. obtaining location information corresponding to a current location in a first area, wherein the first area is covered by a first beam through a network side device, a first communication service is provided in the first area, and the step of obtaining the location information corresponding to the current location comprises: obtaining a location coordinate of the current location; determining a location area identifier of an area where the current location is located according to the location coordinate; and using the location area identifier as the location information corresponding to the current location; and obtaining a location coordinate of the current location; determining a location area identifier of an area where the current location is located according to the location coordinate; and using the location area identifier as the location information corresponding to the current location; and reporting the location information, wherein the location information is used to obtain a second communication service provided by the network side device through a second beam, the second beam covers a second area, the second area is a sub-area of the first area, data transmission performance of the second communication service is higher than data transmission performance of the first communication service, and the method is characterized in that the step of reporting the location information comprises: when the location information comprises the location area identifier, determining a random access resource corresponding to the location area identifier according to correspondence between the location area identifier and the random access resource; and reporting the location area identifier through the random access resource. when the location information comprises the location area identifier, determining a random access resource corresponding to the location area identifier according to correspondence between the location area identifier and the random access resource; and reporting the location area identifier through the random access resource.