On February 11, Beijing time, the short track speed skating event of the Beijing Winter Olympics ushered in the fourth competition day, and in the men's 500m preliminary round, Wu Dajing, Ren Ziwei and Sun Long competed.
In the second group of competitions, Ren Ziwei played, ranking first in the group and successfully advancing;
In the seventh group of matches, Sun Long played, and after the referee ruled that he was fouled by his opponent, he was sentenced to direct promotion;
In the eighth group competition, Wu Dajing played, ranked first in the group, and successfully advanced.
![Sun Long sent an apology and even said 6 sorry, for Sun Long's fall, what should we think[fig]](data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACwAAAAAAQABAAACAkQBADs=)