Information extracting method and device

The invention provides an information extracting method and device. The information extracting method comprises constructing an inquiry requirement according to graphic logo data input through a user and sending the inquiry requirement to a data processing server to achieve subsequent query operations and enabling the data processing server to obtain query result information from a database according to the inquiry requirement, perform the ranking operation according to the query result information to construct a query result and send the query result back to the information extracting device. The information extracting method and device has the advantages of being high in searching accuracy and simple in operation and improving the utilization rate of network resource.