The invention provides a meeting room reservation method and device. The method comprises the steps that a user interface is provided to receive a meeting room reservation request from each user; each meeting room reservation request is analyzed to acquire the meeting time, the number of participants, the meeting theme, the meeting department, the meeting category and a contact method; according to a default scheduling rule, matching operation is carried out on the meeting time, the number of the participants and the meeting category of each meeting room reservation request and meeting room information which is previously recorded to acquire a meeting room which matches each meeting room reservation request, wherein the meeting room information comprises a meeting room ID and seating capacity; and based on the contact method in each meeting room reservation request, the meeting room ID, the meeting time, the number of participants, the meeting theme, the meeting department and the meeting category of the matching meeting room are notified. According to the invention, meeting room conflicts are reduced.