Italy Soccer League were composed by 18 teams, double round-robin (each team according to subject and identity and battle other teams away from home twice). The point calculation method for a single game is that the winner gets 3 points, the loser gets 0 points, and the draw gets 1 point each. At the end of the season, the ranking is based on the accumulated points. If the points are the same, compare the records with each other first, and then determine the ranking in order of goal difference between each other, number of goals scored between each other, total goal difference in the league, and number of goals scored in the league. the
The top four in the league will participate in the UEFA Champions League next season, the fifth will participate in the Europa League next season, and the sixth will participate in the UEFA League (Italian Cup champions can also participate in the Europa League. If they have already qualified for the European War, this European War quota will be postponed. to the highest-ranked team in the league that has not qualified for the European competition). If the Champions League and Europa League champions are both Serie A teams, and neither team has qualified for the European War through the league, the fourth place will participate in the Europa League next season. This season's Serie A regulations have risen by 3 and dropped by 3, and the three teams at the bottom of the league will be relegated to Serie B next season.
In the 22-23 season, Serie A officially introduced a championship play-off and a relegation play-off. In the case of the same points, the ranking will no longer be determined based on the direct mutual record or goal difference between the two teams, but a play-off will be played. The first and second in the standings, the fourth from the bottom and the third from the bottom. If the two teams have the same points, the two teams will decide the championship and the third relegation place through the championship and relegation play-offs.