First, need to understand the game time.
This it must understand the basic rules of football, in a formal game, game time points, a upper and lower two halves, each half 45 minutes, the interval must not exceed 15 minutes, and then have their own injury time, each half injury time mean, according to the field situation require stoppage time in the game, sometimes it is 1, 2 minutes, the longest can amount to 5, and 6 minutes, the determination of the length is determined by the referee, stoppage time there are three main causes, it is processing on the victim;Second, delay time;Three is any other reason.
In some important elimination games, when both sides have tied for the regular game, there is a 30-minute overtime, which is also divided into two halves of 15 minutes each.
Second, need to understand is yellow, red card penalty.
A yellow card is a warning that you will be sent off if you do it again.A red card means a straight sending-off;The main penalties are given according to the nature of the offence;A red card is shown for a flagrant foul or violent act, as well as for a deliberate handball, verbal abuse or two yellow CARDS for the same player in the same game.
During a match, any player who has committed an unsportsmanlike act and expresses his displeasure in words and deeds will be shown a yellow card, as will any player who commits a series of fouls, intentionally delays the game, or enters or leaves the field without authorization.
Third, the need to understand the offside situation in the game.
Offside mean when at the instant of the companion when passing touch, if the location of the company within the other half of the last second line compared to the position of the opposing team closer to each other, then the player in an offside position, to be sure the second player in parallel with each other not offside, in an offside position players foul referee offside in the following situations, interference, interfere with the other players, game, take advantage of using the offside position.After the referee has called an offside call, the ball goes to the other team.
Fourth, need to understand the penalty, free kick and corner kick in the field.
Penalty kick is in the penalty area of any direct free kick foul to award the ball penalty, penalty kick, both players can not enter the penalty area, such as the defender into the penalty area, the goal is valid, not into the penalty area is a heavy penalty;If the attacking team enters the penalty area, the goal shall be kicked again. If not, the goal shall be scored by the defending team. During the penalty kick, the goalkeeper may move left or right on the goal line, but may not move forward.
There are two types of free-kick in football. One is a direct free-kick, which is mainly aimed at the malicious kicking, hitting and tripping.In addition with the hand pull, push and shove each other, hand touch the ball also falls into this category;There are abuse of the referee, abuse of others also to award a direct free kick, this kind of free kick can directly score a goal;If the action occurred in the penalty area, the ball will be awarded a penalty;Another type of penalty is an indirect free-kick. A dangerous, blocking, or set-piece kick falls into this category. A free-kick is not a direct goal, but only when the ball touches another player in front of the goal.
Note: the defender must withdraw from the 9.15m line for both direct and indirect free kicks. The referee may show a yellow card if the defender does not withdraw 9.15m as required.
A corner kick is awarded when the ball crosses the goal line, either on the ground or in the air, and the last touch is made by a defender who does not score a goal according to the winning rule.These are the basic rules of football, and of course an important point, in football, except for the goalkeeper, other players can not touch the ball with their hands, any other body parts can touch the ball.