The utility model discloses a capacitance type humidity sensor batch detection device for achieving precision detection of a humidity sensor with different humidity degrees and for solving the problem of difficulty in testing in batch production of sensors. The capacitance type humidity sensor batch detection device comprises a sine wave signal source module, at least one group of sensor measurement circuit module, a voltage adjusting circuit module, a microprocessor module and a host computer, wherein an output end of the sine wave signal source module is connected with an input end of the sensor measurement circuit module; an output end of the sensor measurement circuit module is connected with an input end of the voltage adjusting circuit module; an output end of the voltage adjusting circuit module is connected with the microprocessor module; the microprocessor module is used for transmitting data to the host computer for display; the microprocessor module outputs a control signal to the sine wave signal source module; the sensor measurement circuit module comprises an electronic switch K and a capacitance type humidity sensor which are connected in series.