Football is a sport in which the feet are the main elements, controlling and dominating the ball. Two teams attack and defend each other on the same rectangular court according to certain rules. It is called "the world's first sport".

Football is currently the most influential single sport in the global sports world. Football is highly confrontational, has changeable tactics, and has a large number of participants. The foot mainly dominates the ball, but the head, chest and other parts can also be used to touch the ball (except the goalkeeper, other players are not allowed to touch the ball with their hands or arms; the goalkeeper only A sport in which two teams can play offense and defense in the same field.

A wonderful football match attracts hundreds of millions of viewers. It has become an important part of TV programs. Football-related reports occupy the pages of various newspapers and magazines around the world. Today's football has become an indispensable part of people's lives.

The rules of football include the following, the field of the football field is delineated by white lines. There are two teams participating in each northern game, each team has 11 players, and each team must have a goalkeeper. There can be 1-2 during the game Substitute players: The goalkeeper of each team must defend in front of the goal. If one player kicks the ball over his own baseline, the opponent's corner kick is awarded. If the ball is kicked out of bounds, it is awarded a throw-in. The game is divided into two halves of 45 per half. Minutes, the goal of both teams is to shoot the ball into the opponent's goal, and a successful shot is scored one point. At the end of the game, the team with the highest score wins.

Football can effectively improve the function of the respiratory system. Football is a combination of running and leg movement. During the process of running, passing, shooting, etc., it will strengthen the depth of breathing, so as to inhale more oxygen. Expel more carbon dioxide, thereby increasing lung capacity and lung function. It also strengthens the bones of the legs. Soccer is the best exercise for training the legs. During the continuous movement of the legs, the blood supply has been improved due to the promotion of metabolism, and the morphological structure and function of the bones have undergone good changes.