Disclosed are a vehicle wireless sensor network system and an operating method thereof. The vehicle wireless sensor network system according to an embodiment of the present invention includes at least one vehicle wireless sensor node that is mounted in a vehicle and detects information about the vehicle in an arbitrary position of the vehicle, and a vehicle base station that collects information from the vehicle wireless sensor node and an electronic control unit (ECU) of the vehicle, generates an information collection command based on the information collected from the ECU of the vehicle to transmit the generated information collection command to the vehicle wireless sensor node to perform the generated information collection command, and selectively transmits sensor information collected from the vehicle wireless sensor node to the ECU of the vehicle.