Tencent video. According to the query of Tencent video app, 20 19 "Host Contest" can be watched on Tencent video, which is a TV contest program launched by China Central Radio and Television General Station, and it is also the highest standard authoritative event in China. The purpose of this program is to select excellent radio and television presenters and bring new strength to the cause of radio and television presenters in China in the new era.