A multichannel temperature wireless measurement system has been developed based on C8051F020 microcontroller and DTD465 wireless data transmission module.The Pt1000 is used for temperature sensing.The wireless data transmission module uses FSK modulation and forward error correction coding.The system is designed with low power in mind.The software and communication protocol of measurement and control stations are introduced.The system has been successfully used and it shows that the system is working well,high reliable and convenient to use.