Elevator access control method and system

The embodiment of the invention mainly relates to the technical field of elevator access control, in particular to an elevator access control method and system. An elevator access control method comprises the following steps that S1, face images of all people entering an elevator are obtained, elevator use permission of the face images is obtained, when any face image cannot obtain the elevator use permission, an elevator door is controlled to be in an open state, and when the elevator use permission is not obtained, the elevator door is controlled to be in a closed state; the human face image which cannot obtain the elevator use permission is displayed on a display screen in the elevator, and meanwhile, a voice player in the elevator plays prompt voice; s21, acquiring first request information of the requester, wherein the first request information comprises a face image of the requester, related information of the requester and information of a requested person; and determining the requested person accordin