The utility model discloses a cycle racing state information collection system based on multisensor is for overcoming the problem that cycle racing data acquisition system function is simple, data acquisition is difficult and the sharing is poor, it is including flying si kaer singlechip, the fast sensor of wheel, GPS positioning system, engine ECU, data collection station, battery and steady voltage chip. Battery, steady voltage chip and fly the si kaer singlechip and connect gradually, the fast sensor of wheel, acceleration sensor, rotary angle transmitter, suspension displacement sensor, GPS positioning system and fly sikaer singlechip and steady voltage chip 5V end and is connected, the 12V of engine ECU, data collection station and battery holds the connection, the fast sensor signal line of wheel is connected with the pulse count port that flies the si kaer singlechip, and corner sensor signal line is connected with suspension displacement sensor signal line and the AD port that flies the sikaer singlechip, GPS positioning system and the UART_TXD serial ports and the UART_RXD serial port connection that fly the sikaer singlechip.