On December 19, Beijing time, the 2021 Badminton World Championships entered the last match day, in the women's doubles final, the top seed Chen Qingchen / Jia Yifan played, the opponent of the two is the No. 2 seed Li Shaoxi / Shen Shengzhen. In the past, the two sides have met a total of 4 times, and 4 games Chen Qingchen / Jia Yifan have won the final victory.

Today's first game Chen Qingchen / Jia Yifan started with a 4-0 lead, Li Shaoxi / Shen Shengzhen gradually entered the state and began to chase points, and the 11-8 Fanchen combination led by 3 points into a technical interval. After the suspension, Lee Shao-hee/Shin Seung-chan scored five consecutive points to take a 14-13 lead. In the second half, Fan Chen combined to play a 7-0 attack tide at 14-16 and win the first set 21-16.
In the second set, the Fanchen combination began with a 4-1 lead, Li Shaoxi/Shen Shengzhen scored 4 consecutive points to chase from 6-10 to 10 draws, and the Fanchen combination scored another 1 point 11-10 to enter the timeout. The two sides then reached a stalemate on the field, and after 12-14, the Van Chen combination scored six consecutive points and occupied the commanding heights at 18-14. After the opponent scored 1 point, the Fanchen combination scored 2 points in a row and won the championship points 20-15. The opponent defused 2 championship points, and the Fanchen combination won the second set 21-17.
In the end, after two rounds of competition, the combination of Chen Qingchen / Jia Yifan defeated the combination of Li Shaoxi / Shen Shengzhen 21-16/ 21-17. The winning Chen Qingchen / Jia Yifan won the World Championships again after a gap of four years, and the two helped Guo Yu win the first gold medal of this world championship.