A method for transferring context information on a web server that contains a context pool. The method includes: in response to the web server receiving a message, obtaining context information from the message, generating a unique identifier according to a thread for processing the message, associating the context information with the generated unique identifier, and storing the context information and the associated unique identifier in context pool of web server correlatively. In response to a web server obtaining the context information, generating an identifier according to a thread that is executed currently in the web server, and extracting context information for which an associated unique identifier is matched with the generated identifier from the context pool.