In 1917,NHL was set up in Montreal, Quebec.at the beginning,it has five teams.In a series of expansion,now it has a total of 30 teams, 24 in the United States, six in Canada. Since a general strike at the players and the abolition of the entire 2004-2005 season, the league hold a successful 2005-2006 regular season and 2006 Stanley Cup playoffs.

     Traditionally, most of the players are Canadian.And then NHL actively was in the expansion of the United States, as well as its other league compared to the high standards and the Iron Curtain in Eastern Europe after the collapse of a high standard off-the-shelf players output, the European players and American players have a marked increase in the number of trends.

     The season of NHL is divided into two parts. A good book is in accordance with the schedule of the regular season table, as well as the knockout system, best-of-seven playoff, winning the final round of the team in the playoffs would be the history of Stanley Cup winner.

    The normal match of NHL has 3 pm game time, 20 minutes per session. Such as at the end of section 3 of the score it is still the same access to extra time, when five minutes long. The use of sudden-death extra time, advanced the ball to win the party. If the two sides failed to score, a penalty shot is used each match.