Embodiments of the present invention provide a device and method for communication correction. The device includes a receiving channel and a correction channel, where the receiving channel includes an analog radio-frequency front end, a demodulator, a first analog-to-digital converter, and a first channel correction module that are connected sequentially, and the correction channel includes a frequency converter, a second analog-to-digital converter, and a digital processor that are connected sequentially, where the analog radio-frequency front end is further connected to the frequency converter, and the digital processor is connected to the first channel correction module. With the technical solutions of the present invention, channel correction is performed on the receiving channel by the correction channel, so as to improve the precision of receiving a radio signal.