Residential information management method, device and system and electronic equipment

The invention provides a living information management method, device and system and electronic equipment, and relates to the technical field of information processing, and the method comprises the steps: obtaining a first video image collected by first monitoring equipment of a target building; under the condition that the first video image comprises first feature information which is not matched with the human body feature information in the living information registration form, determining a target room into which a first person corresponding to the first feature information enters, and a first staying frequency and a first staying duration of the target building within a first preset time period; under the condition that the first staying times are larger than a first time threshold value and the first staying duration is larger than a first duration threshold value, first verification prompt information is generated and output based on the target room identifier of the target room and the first feature i