Under the influence of the COVID-19 epidemic, the CSL will still adopt the match system this season. The game is divided into four stages of group matches. In the first stage, 18 teams are divided into three groups, with 6 teams in each group. The double cycle competition system within the group is conducted, with a total of 10 rounds. The first place of the league will participate in the group match of the Asian Championship next season, the second and third places will participate in the additional match of the Asian Championship, and the last three places of the league will be degraded.