The invention provides an emergency broadcasting platform upper and lower level association method, which relates to the technical field of emergency broadcasting and is applied to a source platform. First selection operation is acquired, target platform information transmitted by a target platform is received according to the first selection operation, request information is generated according to the target platform information, the request information is transmitted to the target platform, the target platform generates response information according to the request information, instruction information is acquired according to the response information, the response information and the instruction information transmitted by the target platform are received, and according to the response information and the instruction information, the target platform information is changed. Upper and lower-level platforms are tightly associated and combined, and interactivity, association and security between the platforms are enhanced.