The utility model discloses a multimedia teaching apparatus, turn over a page unit, laser guide unit, electrical unit including casing, PPT, PPT page flip has solved the constraint that the user can not leave the podium, makes no longer to receive the restriction with student's interdynamic, laser guides the voice circuit in the unit can send the guide prompt tone, can strengthen and guide the effect, has alleviateed teacher's burden, arouses student's attention, laser guides the sharp spot size adjusting key in the unit to guide the effect according to guiding content size regulation spot size to come the reinforcing, and the light beam is directional clear and definite, gives prominence to the key points, the utility model discloses the simple structure cost is low, uses convenient operation.