1. The four teams participating in the competition will adopt the single round robin system. The winners of the two teams scored 3 points each, and the two teams 1 point tied.
2. The competition combination is decided by the East Asian Football Association and the Organizing Committee.
The champion team will take part in the semi-finals.
4. The team will determine the ranking according to the following methods:
Points won in 4. 1 single round robin.
4.2 Target differences
4.3 Total number of targets
When two or more teams score the same, the winner will be decided according to the following principles:
The two teams scored 4.4 points in the game.
4.5 Difference of goal difference between the two teams
4.6 The total number of goals scored by the two teams.
4.7 When the scores of the two teams are the same, and the goal difference and the number of goals are the same, penalty shoot-out will be played.
4.8 Decided by the East Asian Football Association by drawing lots.
About match time, extended overtime and penalty shootout:
1. 45 minutes in the first half and 90 minutes in the second half; The interval is 15 minutes.
2. No overtime was extended.
3. In the above-mentioned "4.7" project, when the final winner is decided by penalty, the rules stipulated by the international jury and FIFA will be followed. No overtime was extended.