The present invention discloses a CD/DVD recorder with a gradual recording guidance function. The recorder includes at least one video/audio signal sources input end for receiving external video/audio signal sources, a memory for storing a gradual recording guidance program, and a processor for connection to the memory and execution of the program. Execution of the program by the processor includes at least the steps of: displaying on a monitor in single-screen mode a man-machine display screen for selecting recording video/audio sources, and then displaying on the same screen the positions at which the video/audio signal sources input ends are installed in the recorder; and displaying on the monitor in single-screen mode a man-machine display screen for selecting a recording video/audio quality option, and then displaying on the same screen the recording time left with regard to a rewritable/recordable CD/DVD immediately after the recording video/audio quality option is selected.