In order to get the geographic information acquired by GPS, and transmit the information to the user’s mobile device through the GSM communication network, the paper give an design of GPS information acquisition and transmission based on STM32 processor. The GPS module communicates with the serial port of the processor unit through the NEMA-0183 transmission protocol. Then the processor analyzes the geographic information provided by the navigation message and display the analytical data on the LCD. Finally, the information is transmitted to the user’s mobile through the GSM module. At the end of the paper, the feasibility of the design is verified by experiment.