1, site.

The site is 100 yards long, with an end area of 10 yards at both ends, with a total length of *** 120 yards and a width of 53 yards. On the playing field, draw a line on the 50-yard line, and draw a line every 5 yards. There will be two parallel short lines every 5 yards, and each short line will be separated by one yard. At the same time, the kick-off of each game must be between two lines.

At the same time, the line where football is in every attack is called the line of scrimmage. There is a goal on each side of the array, and playing football between the two goalposts is also a game. In addition, if any part of the player's body touches the baseline or sideline, it will be considered out of bounds.

2. Competition time.

The regular time of the competition is divided into four quarters * * * each quarter 15 minutes. Each team has three timeouts in the first and second half, and there will be a formal timeout at the countdown of two minutes in the second and fourth quarters. If the two sides are tied in the regular season, they will enter overtime. Overtime lasts 15 minutes, and each team has two pauses.

3. players.

The team consists of 53 players, divided into attack group, defense group and secret service group. The rules allow each team to have 1 1 players at the same time, and teams can change players at will every time they attack.

The attacker must have at least 7 players in line (the top 5 players, left and right 1 name), and only 1 players at the farthest left and right are legal receivers on the line of scrimmage, and the other 4 players generally line up at 1 yard behind the line of scrimmage.