The whole game is divided into three rounds, each round is 20 minutes, and the intermission is 15 minutes.

Ice hockey is a combination of changeable skating skills and agile hockey skills. It is one of the highly antagonistic team ice sports and the official competition of the Winter Olympics.

Athletes wear skates and skate with popsicles in their hands, fighting for the ball. Generally, the ball is made of hard rubber, with a thickness of 2,54cm, a diameter of 7.62cm and a weight of 156- 170g.

In the competition, each team played 6 players, 3 forwards and 2 defenders, 1 goalkeeper. The more players hit the ball into the opponent's goal with popsicles, the more they win.

Extended data:

Ice hockey originated in Canada in the19th century, 1850~ 1860.

In Kingston, Canada, there is a popular ice game. Players tied their skates with their feet and held the earliest ice hockey records, which can be found in Dutch publications in the17th century. Gentlemen wear skates with blades made of bones and slide on the frozen river with a round cake.

/kloc-At the beginning of the 0/9th century, it was recorded that Micmac Indians in Canada also played similar games, using sticks and wooden round cakes.

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