The reason why festival tourism has attracted the attention of all parties lies in the economic benefits brought by festival tourism and the city image-building function. By hosting the America's Cup regatta, Australia has become one of the most famous tourist destinations in the world. Qingdao, China, spread its unique "marine culture" through "Oktoberfest" and "Ocean Festival" and successfully shaped its distinctive image as a marine city. With the help of the World Expo, Kunming has spread the slogan "All Lv Yun is the Sect, the south of colorful clouds" all over the world. It can be seen that festivals, especially large festivals, often become the focus of media attention. Festival tourism provides a stage for the city to display its image, and the effect of any advertising and marketing activities is hard to reach. Therefore, the influence of festival tourism is extensive and far-reaching, which not only brings opportunities for the economic prosperity of tourist destinations, but also changes the social culture and ecological environment of tourist destinations to a great extent. On the basis of mutual promotion, mutual supplement and coordinated development of economic development and social development, the host city will realize a high degree of unity of nature, humanity and society and build a harmonious society. The picture shows the main positive effects of festivals on various fields of society.

Of course, everything will have its positive and negative effects, and festival tourism will also have some negative effects on the host place. For example, the influx of large-scale tourist flows in a short time will have a "swarming effect", which will have a negative impact on the normal life of local residents in terms of traffic, noise and waste. For example, during the Sydney Olympic Games in 2000, the problem of "anti-tourism" appeared for the first time, that is, a large number of residents fled their cities to avoid large-scale crowds. At the same time, it will also cause a sharp rise in urban prices and increase the economic burden of tourists and residents.

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