On December 21, Beijing time, the 18th round of the Relegation Group of the Chinese Super League began to compete. In this round, Chongqing Liangjiang Athletic played against Wuhan, Henan Songshan Longmen faced Shanghai Shenhua, Cangzhou Lions played against Tianjin Jinmen Tigers, and Qingdao and Dalian met.
Henan Songshan Longmen defeated Shanghai Shenhua 2-0. The deadlock was not broken until the 61st minute, when Dilimulati crossed from the edge and Dorado turned inside the penalty area to shoot and Henan took a 1-0 lead. In the 87th minute, Henan won a penalty opportunity, Dorado hit the penalty, but some players entered the box early, and then Dora hit multiple penalties again, Henan team led Shanghai Shenhua 2-0.
Dalian won 2-1 against Qingdao. In the 44th minute of the game, Qingdao team won a corner kick opportunity, Liu Jiashen grabbed a nod in the penalty area to score a goal, and Qingdao team took a 1-0 lead. In the 49th minute, Boateng's header was successful, and Dalian ren team tied the score 1-1. In the 78th minute, Larson scored another goal for Dalian, who won 2-1. In the 88th minute, Liu Jian's header broke through the Dalian goal, but it was blown invalid because of offside.
Cangzhou Lions defeated Tianjin Jinmen Tigers 2-1. In the 19th minute of the game, Sabiti grabbed the point to break the goal, and the Cangzhou Lions took a 1-0 lead. In the 75th minute, Xie Pengfei assisted Oscar to break the goal, and the Cangzhou Lions extended their advantage 2-0. In the 78th minute, Jin Yangyang's header was recovered by Jinmen Tiger. In another match, Chongqing Liangjiang Athletic exchanged a blank roll with Wuhan 0-0.
Shanghai Shenhua continued to lead with 29 points after losing, and Henan Songshan Longmen reached 23 points after winning this round, successfully relegating four rounds in advance. Wuhan's 4 unbeaten points in the second stage reached 19 points, the Cangzhou Lions accumulated 17 points after winning, and Dalian won the third victory of the second stage, and the team ranked 5th with 16 points. Chongqing Liangjiang Athletic ranked 6th with 13 points, while Tianjin Jinmen Tiger and Qingdao team ranked in the bottom two with 11 points and 10 points.