As the ice project venue of Beijing 2022 Winter Olympics, the National Gymnasium has initially formed a renovation plan, which will be started before the end of 20 18. During the Winter Olympics, it will be converted into an ice hockey (men's) arena, which can accommodate about18,000 spectators.

Information about the National Stadium:

1. The National Gymnasium has set up certain sinking squares on the west and north sides of the stadium, and athletes, media, VIPs and other personnel can directly enter the stadium through the sinking squares during the competition.

2. The steel roof truss of the National Gymnasium is144m long from north to south and114m wide from east to west. The whole gymnasium steel roof truss project consists of 14 trusses, and the total steel consumption is 2800 tons. The shape of steel roof truss is fan-shaped wave curve, which is the largest bidirectional string-tensioned steel roof truss structure system in China.