The invention relates to the technical field of radar detection and discloses a sounding system processing device based on digital multi-beam anti-jamming technology. The sounding system processing device comprises a housing, a seven-element array antenna arranged outside the housing and components arranged in the housing as follows: an analog down-conversion processing board and an adaptive digital beam-forming processing board. The seven-element array antenna is connected to the analog down-conversion processing board to send received sonde radio-frequency signals to the analog down-conversion processing board; the analog down-conversion processing board converts the sonde radio-frequency signals into analog medium frequency signals and sends the analog medium frequency signals to the adaptive digital beam-forming processing board; and the adaptive digital beam-forming processing board carries out interference suppression on the analog medium frequency signals and outputs the signals for sonde signal analysis. The sounding system processing device based on digital multi-beam anti-jamming technology is scientific and reasonable in overall structure, convenient to install and operate and low in manufacture cost, causes no environmental pollution and facilitates popularization and wide application.