There are both open air and non-open air. Huaian Ecological New City Olympic Sports Center is a multifunctional stadium with 30,000 people, including open-air stadiums, gymnasiums and other sports facilities and venues. Including 1.700 people's swimming pool, the largest swimming pool in northern Jiangsu at present, sports and fitness venues, comprehensive training halls, athletes' reception centers and other corresponding facilities that can accommodate 6,000 people.