To provide a tire sensing system capable of performing a wireless communication of tire sensing information with a vehicle body at a high speed, performing a calculation processing and realizing an advanced safe vehicle system.

There is provided, within a tire, a micro-computer system 1 stored in a tire comprising at least one of sensors 2 to 4 arranged to detect a tire state, an electronic substrate 5 having a CPU installed thereon for processing data detected by the sensor, a transmittance device 6 for transmitting data outside the vehicle, a power supply 7 for supplying electrical power to these sensors, the electronic substrate and the transmittance device. The vehicle body is provided with a vehicle data analysis display device 11 comprising a receiver device 12 for receiving data transmitted from the transmittance device, a data analyzing arithmetic unit 13 for processing the received data and analyzing it, and a monitor device 14 for displaying the result of processing.