From the point of view of studying the public relation, this article tries to explore how to hold large-scale sports events successfully in order to do some help to the Olympic Games in the year of 2008 in our country.

By means of literature study, expert interview and experiencing some large-scale sports events such as the 48th W.

Serving for what kind of games doesn\'t affect much on the volunteers in large-scale sports events.

In the new century,more and more comprehensive competitive sports events will be held in some large cities of our country,the research methods of studying literature,logic analysis,contrasting analysis and so forth were used to study the influence which holding the comprehensive competitive sports events caused to the tourist industry of the host cities.

Holding comprehensive competitive sports events will exert a great influence on the host city.

With the development of the economy and society, many Chinese government institutes have made the eleventh "five-year plan"(2006-2010),which will increasingly focus on the sports events, especially the comprehensive competitive sports events.

Under the background of economics,management,and sociology,firstly, it is very important for us to know the importance of the venture management of large-scale sport events.

From the angles of the concept and characteristics of major sport events, the article elaborates on the relationship between the major sport events and the different disciplines and analyzes the principle, classification and content of the discipline assessment on the basis of the status quo of discipline assessment at home and abroad.

Problems faced by public security for big sports events in China and their response mechanisms;

Negative effects of big sports events on tourism;

How to better host major sports events and how to promote the development of the host city command people\'s attention.