Eighteen clubs will play in double round-robin (home and away) format, a total of 34 games each. A club receives 3 points for a win, 1 point for a tie, and 0 points for a loss. The clubs are ranked by points, and tie breakers are, in the following order: • Goal differential • Goals scored • Head-to-head results • Disciplinary points A draw would be conducted, if necessary. However, if two clubs are tied at the first place, both clubs will be declared as the champions. The bottom three clubs will be relegated to
J.League Division 2. The top three clubs will qualify to
AFC Champions League in the following year. ;Changes from previous year • Regular season schedule had two months break after May 16 games, due to
2010 FIFA World Cup. The season was resumed from July 17, with exceptions for clubs advancing to the Round of 16 of
2010 AFC Champions League, which 11th-week matches were rescheduled to July 14. ==League table==