Disclosed is an embedded human-computer interaction machine tool information acquisition and processing device. The human-computer interaction machine tool information acquisition and processing device comprises a machine tool signal acquisition assembly, an embedded information processing assembly and an upper computer; the machine tool signal acquisition assembly, the embedded information processing assembly and the upper computer are sequentially connected; the machine tool signal acquisition assembly is connected with a machine tool device and used for acquiring currents of a machine tool main cable and signals of a machine tool main relay, meanwhile, direct-current voltage is provided for the embedded information processing assembly, and the embedded information processing assembly and the upper computer are used for carrying out vertical information transmission with the upper computer; and the embedded human-computer interaction machine tool information acquisition and processing device is wide in application range, good in compatibility and capable of carrying out real-time monitoring processing on the state of an old numerical control machine tool, the work efficiency of the old numerical control machine tool can be monitored in real time, an MES reasonably and effectively carries out work arrangement on the old numerical control machine tool, and the utilization rate of the machine tool is improved.