Wireless tax declaration device

The utility model relates to a wireless tax declaration device. The device comprises a master controller, and a universal serial bus (USB) interface module, a memory module and a machine-to-machine (M2M) wireless communication module which are connected with the master controller respectively, wherein the master controller is in charge of central management control of the wireless tax declaration device and is provided with an encryption module for performing hardware encryption on tax control data; the USB interface module is connected with a peripheral for realizing data communication with the peripheral and performing digital certificate filling and programming through the peripheral; the memory module is used for storing a digital certificate and storing and backing up the tax control data; and the M2M wireless communication module is used for realizing data wireless transmission between the wireless tax declaration device and a tax collection and management background of a tax office. In the device, the high-reliability M2M wireless communication module is used for performing hardware encryption processing on the data to be transmitted; and the device has certificate authority (CA) authentication and data encryption and backup functions, so that the safety of a tax control data declaration process and the reliability of transmission and storage are effectively guaranteed, and the convenience and the efficiency for tax declaration and tax payment of a taxpayer are improved.