The utility model provides a laboratory security protection system based on zigbee, includes signal acquisition module, signal analysis module, signal processing module. The signal acquisition module comprises temperature sensor, humidity acquisition sensor and multichannel analog converter, the signal analysis module comprises AID converter and singlechip, white display circuit of signal processing module and warning circuit constitute. The signal acquisition module is connected with the signal analysis module, transmits the signal analysis module to the temperature/humidity information who gathers and carries out the analysis and handle, and the signal analysis module other end is connected with signal processing module, handles and shows to signal processing module receiving the humiture signal transmission from the signal acquisition module. Consequently, adopt above -mentioned structural design, the utility model relates to a laboratory security protection system based on zigbee, it is stronger that the degree of accuracy is just gathered to temperature and humidity branch division collection signal, and this system cost is cheap, just measurement accuracy of convenient to use.