1. The existence of the stadium firstly provides a place for people to engage in sports activities. Here, people can participate in a variety of sports activities, including soccer, basketball, track and field, swimming and so on. These activities have a positive impact on people's physical health and social relationships.

2. The construction and operation of stadiums also contribute to the local economy. By attracting tourists and participants, the stadiums can promote the development of local tourism, as well as related industries such as catering and accommodation.

3. The stadium is also part of the city's image. A modern and well-equipped stadium can enhance the image of the city and attract more people to invest and travel.

4, in addition to the above significance and role, the stadium can also provide a stage for people to show themselves and build up their self-confidence. For example, students can show their skills and style in the stadium, thus enhancing their self-confidence and social skills.