18 teams, each plays the others twice - home and away - for a total of 34 games each, over 34 game weeks.
3 points for a win, 1 point for a draw, 0 points for a loss.
1. points won; 2. points in head-to-head matches; 3. goal difference in hth matches; 4. goals scored in hth matches; 5. games won; 6. total goal difference; 7. total goals scored; 8. draw.
Qualification for AFC competitions:
1-2 place: AFC Champions League
Relegation from the league:
14-18 place: relegated to Thai Division 1
Promotion to the league:
3 teams from Thai Division 1