Method and system for downloading content

A system for realizing content download, comprising a portal site and a download engine, wherein,

• the portal site is configured to, after receiving a request for triggering download, generate a pseudo uniform resource locator (URL) for a content to be downloaded, establish corresponding relationship information of the pseudo URL and a real URL of the content, and send the pseudo URL to a terminal which wants to download the content;
• and
• the download engine is configured to:
• after the terminal which wants to download the content triggers the download to the download engine according to the pseudo URL, inquire the corresponding relationship information of the pseudo URL and the real URL of the content according to the pseudo URL, acquire the real URL of the content, and download the content to the terminal which wants to download the content according to the acquired real URL;
• wherein, the pseudo URL contains an address of the download engine and an identification code of content related information of the real URL so as to hide the content related information of the real URL;
• and
• wherein, the identification code of the content related information contains a timestamp, a network element number of a message source and a random number to guarantee that the identification code corresponding to each download behavior is unique.