Abstract: A system for monitoring and management system based on the Internet enables a user access the Internet with a personal computer (PC) or a video phone from a remote place in order to monitor a current situation at a specific location (e.g., office, preschool, etc.) by receiving moving picture and audio data. The system of the present invention comprises a radio data receiver adapted to receive video and audio data acquired by each of a plurality of wireless web cameras and outputs the received video and audio data to a data modulator adapted to receive the outputted video and audio data to modulate them into an analog signal.