QR (quick response) code validation method and search engine server

The invention provides a QR (quick response) code validation method which includes: a search engine server acquires multiple web pages; the search engine server acquires QR codes in the web pages; the search engine server acquires QR code security information according to the web pages and the corresponding QR codes; the search engine server builds a validation inquiry table according to the web pages, the corresponding QR codes and the security information; the search engine server receives a QR code validation request of a user; and the search engine server inquires in the inquiry table according to the QR code validation request and sends the inquiring result to the user. By the method, the problem of validation difficulty in the prior art is solved, the validation process is simple, and user experience is improved.