The invention discloses an interactive information processing system. According to the system, a baffle groove is formed on the end face at the right side of a main machine body, and a baffle plate mechanism is arranged in the baffle plate groove; a first sliding cavity is formed in the end wall of the left side of the baffle groove, and a fingerprint verification mechanism is arranged in the first sliding cavity; a key unlocking mechanism is arranged at the top of the main machine body and can control the opening of the baffle plate mechanism, the baffle mechanism comprises a swing shaft rotationally arranged in the baffle groove, and a baffle is fixedly arranged at the periphery of the swing shaft. According to the system, the information can be read and encrypted, the secret files are prevented from being leaked and read at will, and an information processing mechanism is secondarily protected, so that the system is prevented from being opened at will by other personnel, and has thehigher safety.