USEFUL INFORMATION PRESENTATION SYSTEM AND CONTROL METHOD OF USEFUL INFORMATION PRESENTATION SYSTEM

PROBLEM TO BE SOLVED: To provide a useful information presentation system and a control method of the useful information presentation system capable of extracting useful information from real-time video photographed by a user terminal and presenting it without depending on processing capacity of the user terminal and preventing the useful information from being missed or overlooked.SOLUTION: The useful information presentation system comprises a user terminal 1, and a server. The user terminal 1 photographs real-time video and transmits the real-time video to the server. The server checks the real-time video with checking information so as to extract useful information and transmits an extraction completion notification to the user terminal 1. The user terminal 1 outputs the extraction completion notification and transmits an acquisition request for the concrete content associated with the useful information. When receiving the acquisition request, the server transmits the concrete content to the user terminal 1.