Timely treatment. According to the video data of Tencent, Yan Yuntai was produced by Shanghai Tencent Penguin Film and Television Culture Communication Co., Ltd., and the little prince in the play was treated in time. Although poisoning has caused the prince to be weak all the time, there is no danger to his life. Based on Jiang Shengnan's novel of the same name, Yan Yuntai tells the story of Xiao Yanyan, a heartless beauty in Liao Dynasty, who, with her aggressive personality and foresight, pushed the Liao Dynasty to the road of prosperity with the joint efforts of Han Derang and Ye Luxian.