To complement an insufficient part later when a video/audio has not been partially recorded well because of any abnormality or the like on a magnetic tape by composing a video signal recording and reproducing device of an input part for inputting video/audio data, a first recording part for recording input data on the magnetic tape and a second recording part for recording input data in an auxiliary memory.

The auxiliary memory 6 is a recording medium of device rank with a magnetic tape 4 and digital signals are recorded. When a recording switch 34 is closed and recording of video/audio onto the magnetic tape 4 is started, a memory recording switch 30 is similarly closed as well and video/ audio data are recorded in the auxiliary memory 6. In this case, the oldest video/audio data are erased in the auxiliary memory 6 simultaneously with the input of new video/audio data and by recording the new video/audio data in an empty area on the auxiliary memory 6 generated by that erasure, the latest video/audio data equivalent amount for fixed time are controlled to be held in the auxiliary memory 6.