The invention provides an intelligent door safety control system based on video service and an intelligent door safety control method based on video service. The intelligent door safety control system comprises a video image acquiring system, a voice system, a network transmitting system, a storage system, a door switch system, mobile terminal equipment, a power supply system and an integrated processor. According to the intelligent door safety control system, by virtue of the three main systems of the video image acquiring system, the voice system and the mobile terminal system and by means of the network transmitting system, multiple intelligent functions of an access control system are realized, and comprise visitor video image acquisition, visitor identification and classification, voice message, voice warning, automatic material receiving, automatic / manual door control switching, power supply detection switching, visitor behavior judging, pre-warning, multiple signal transfer outputs and the like. By virtue of front-end video monitoring, middle-end network transmitting and terminal mobile equipment, a house owner, a visitor and an intelligent door perform an interactive action, so that the service range and applicability of the intelligent door are enhanced. The safety and user use experience of the intelligent door are greatly improved.