A Automobile tire is an important part of the car, and its safety and reliability will directly related to the passengers' safety. This paper puts forward a kind of automobile Tire Pressure monitoring system (Tire Pressure Monitoring System, TPMS), adopting the Infineon company's SP37 chips used for collecting and sending data of automobile tire's Pressure in time, adopting MAX1473 chip wireless to receive, relying on the MSP430 chip's dealing with data from the tire Pressure, also, and warning to drivers so as to avoid accident. This thesis mainly introduces the design of the system's hardware, software.