The invention discloses a smart-city intelligent monitoring method comprising the following steps of: acquiring video monitoring images; identifying face images of the video monitoring images and acquiring marks of the face images; querying according to the marks of the face images to obtain corresponding event processing information, extracting a message template and notifying objects in the event processing information; and generating notifying messages according to the message template and transmitting the notifying messages to the notifying objects. Through the smart-city intelligent monitoring method, the pertinence and the flexibility of video monitoring can be improved; in addition, the invention further provides a smart-city intelligent monitoring system.