The large-scaled sports volunteers are those who contribute their time, energy, skill to accomplish all the commissions assigned by the organization committee without expecting any material rewards during the preparation and helding of the large-scaled sports 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;

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.

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.

Based on the analysis of the existing problems in regional economic development at the present stage in China as well as a research on the influences of large scaled sport games on regional economic development, it shows that hosting large scaled sport games will play an active role in promoting regional economy.