In this thesis,the authors theoretically analyzed the differences between the sport competition background advertisement and the sport subject advertisement,as well as the evaluation on the meaning and the function of live television coverage on the sport competition background advertisement.

Especially, how to grasp the advertisement background and the psychoactive "disparity supplement reactions" is very important to realize the effectiveness of advertisement originality and its enforcement and control.

This is a study on the recognition of background advertisement and theme-focused advertisement in sport events from the perspective of exposure time and contents.

The methods of literature,visit,observation,measurement and mathematical statistics were applied to analyzing the exposal parameters\' characteristics of background advertisements of the sports competitions televised live.

It set forth the necessity,significance and methods of measuring after the event and calculating in advance the exposal parameters of sports competitions\' background advertisements,introduced the basic ideas, concrete thing-doing way and their merits and demerits of three kinds of methods to calculate the exposal parameters of sports competitions\' background advertisements.

The method of experiment was used to do research on the relation of the rate of TV spectators\' memory of background advertisements of sports competitions with the exposal time of background advertisements of sports competitions.

With the world economic development,social progress,high-tech communication technologies and the use of continuous improvement,the domestic TV,radio and other traditional electronic media and networks, mobile phones and other new media in a major football matches,news reports have become increasingly obvious advantage.

The findings indicate that congestion,construction safety and riots of fans are the key factors for the public safety of football matches and also the direct cause of casualty.