The present invention relates to an anti-interference antenna of a satellite system. The anti-interference antenna comprises an antenna array, a plurality of zero intermediate frequency demodulation devices, a baseband processing device and a zero intermediate frequency modulation device. The antenna array comprises a plurality of antenna array elements, each antenna array element is connected with one zero intermediate frequency demodulation device separately, and each zero intermediate frequency demodulation device is connected with the zero intermediate frequency modulation device via the baseband processing device separately. The antenna arrays elements receive the satellite communication signals emitted by a satellite communication system, the zero intermediate frequency demodulation devices demodulate the satellite communication signals to obtain the baseband demodulation signals, the baseband processing device carries out the amplitude phase correction on the baseband demodulation signals to obtain the amplitude phase correction signals, carries out the DC offset compensation on the amplitude phase correction signals to obtain the compensation signals and carries out the interference inhibition processing on the compensation signals to obtain the anti-interference baseband signals, and the zero intermediate frequency modulation device modulates the anti-interference baseband signals to obtain and output the anti-interference output signals.