The invention belongs to the technical field of visitor management, and particularly relates to a visitor intelligent management system and method based on face recognition. The visitor management system obtained through an internet-of-things platform comprises a multi-mode booking system, a multi-mode notifying system, an entrance guard control system, a greeting system, an indoor guiding and navigation system, an indoor AR navigation system and a front desk visitor system. The multi-mode booking system comprises a visitor booking management system, a WeChat booking system, a short message booking system, a phone call booking system, an AI booking system, an Email booking system and an inviting system. The visitor booking management system provides a TCP communication interface for booking information management. By means of the system, the visitor management cost can be greatly reduced, the visitor management work efficiency is improved, and the scientific data reference is providedfor optimizing subsequent management work.