A browser operation and control method is provided for a server and a client having a browser. The server receives a query request message from the client, and the query request message contains a character string converted by the client from voice information inputted by a user of the client. The server obtains control information for operating the browser based on the character string in the query request message, and the control information indicating one of a plurality results provided by the server including a direct URL based on the character string, a direct operation command based on the character string, and a search result page based on the character string. The server sends a query response message containing the control information to the client such that the client operates the browser based on the control information in response to the voice information inputted by the user.