To provide a lecture recording/reproducing method that utilizes a computer and can display information entered by a lecturer for its lecture together with a graphic tool on a screen without shaking.

The lecture recording/reproducing method utilizing a computer of this invention characteristically includes a step where a lecture reproduction program is executed to open a window on a screen, a step where a lecture file that is recorded is open on the window, a step where when reproduction is selected, information in the lecture file except hand-written information and voice information is stored in a memory and displayed on the window, and a step where the hand-written information stored in the lecture file is stored in the memory, while the information written in the memory is displayed on the window together with a graphic tool, the voice stored in the lecture file is reproduced and outputted through a voice output means.