The utility model aims at providing a wireless data transmission terminal capable of adapting ambient temperature variation for working, comprising a wireless communication module and an auxiliary circuit unit, and particularly comprising a temperature data acquisition unit, a drive control circuit and a temperature adjusting device; the temperature data acquisition unit and the drive control circuit are respectively connected with the wireless communication module, and the drive control circuit is connected with the temperature adjusting device; and the temperature adjusting device is contacted with a wireless communication module body, and the wireless communication module is provided with a wireless module main control unit CPU (Central Processing Unit) which mainly controls the whole data transmission terminal. As for the utility model, the temperature of the wireless communication module body is increased or reduced by the temperature adjusting device of the main control unit of the wireless communication module, the wireless communication module is ensured to work at proper temperature, the environmental adaptation capability of the wireless data transmission terminal is improved, and the maintaining cost of the wireless data transmission terminal is reduced.