Money line bets are a common type of bet in the NHL. This is a bet that you can place on who you think will win the game. Generally you will see the favorite listed as a -120 as an example and the favorite will have a +110. The actual odds will vary.
The puck line is another type of bet that people can put on the NHL. The puck line is like your spread betting for the NBA, NFL, and college basketball. This type of bet is placed on how many goals the teams will either win by if you pick the favorite or if you prefer you could pick the opposite which would be a +1.5 typically and means the team cannot have a more than 1.5 goal spread.
The total bet is another type of bet that is common in the NHL games. This type of bet is based off of the total number of goals scored in the game. You can either bet that the total will go over the set mark or under the set mark. As a side note some sportsbooks do allow you to place a wager on individual teams totals.
Futures bets on the NHL are a type of bet that you place before the start of the series. This allows you to pick a team that you feel will win the series before it even starts. At the same time you can also place a future bet based on who will win in each conference and even all the way to the Stanley Cup Finals.
Parlay bets is another type of bet that some bettors enjoy. The parlay bet involves betting on more than a single team at a time. The wager carries a little bit more in risk as any team that loses will cost you the parlay win.