UFC official website, etc. The UFC weigh-in ceremony is a part that all contestants must participate in the day before the competition, and it is also one of the important parts of the entire competition. During the weigh-in ceremony, all players need to show their weight to ensure that the weight of both parties complies with competition regulations. The UFC weigh-in ceremony can be watched on the UFC official website, Migu, Huya and other platforms, and they are all broadcast.