Asynchronous hotlink protection method and system based on scheduling system

The invention provides an asynchronous hotlink protection method and system based on a scheduling system. The method comprises that a client sends a request for scheduling information and judge right information to a scheduling and judge right server, and the scheduling and judge right server is arranged in the scheduling system, and can be used to schedule resource as well as judge right; the scheduling and judge right server returns a response to the client, the response includes the scheduling information and judge right information, and the judge right information includes an unique identifier; the client sends a content request to a content distribution network node, and the content request comprises the judge right information; the content distribution network node makes response to the content request to provide part of content resource, and sends a judge right request to the scheduling and judge right server; the scheduling and judge right server determines whether the unique identifier is registered online, if yes, the server controls the content distribution network node stops providing content service; and if no, the unique identifier is registered online.