Penalty is one of the rules of football match. In the final draw of a game that must be decided, penalty kicks are used to decide the outcome. At the end of the game, the players of both sides alternately kicked five penalty kicks in the established order, and the one with more goals won. If neither side has played five times, but one side is sure to win, you can stop the penalty and declare the team winning; If the two sides still draw after playing five times, the follow-up players of both sides will continue to kick penalties until the outcome is decided.