Due to COVID-19, the 2020 CHN1 regular season was modified to consist of two groups (A & B) of 8 teams with each match playing in a neutral venue. Each team plays the other 7 teams in their group twice for a total of 14 Regular season matches per team. During the Regular season, table ranking ties are broken by (1) goal differnce, then (2) goals scored. After the Regular season, table ranking ties are broken by (1) head-to-head points, (2) head-to-head goal difference, (3) head-to-head goals scored, then (4) scores of the weight ratio of the reserve and youth leagues.

At the end of the 2020 CHN1 Regular season, the top 4 teams in each group play in the Championship Stage, and the bottom 4 teams in each group play in the Relegation Stage. In each stage, teams are paired and play 2-leg highest aggregate goal wins Quarterfinals matches. (Championship Stage Quarterfinal pairings: A1 vs B4, A2 vs B3, A3 vs B2, A4 vs B1. Relegation Stage Quarterfinal pairings: A5 vs B8, A6 vs B7, A7 vs B6, A8 vs B5.) The winners advance to the winners' bracket Semifinals and the losers play in the losers' brack Semifinals. The Championship Semifinals winners play in the Finals, while the losers play in the 3rd place Finals.

At the end of the 2020 CHN1 Relegation stage, the 16th place 2020 CHN1 Aggregate Table team will be relegated directly to CHN2, and the the 15th place 2020 CHN1 Aggregate Table team will enter a Promotion/Relegation playoff with the 2nd place CHN2 team.