At the same time, I have been to Jiyuan, and the king of Jiyuan has a kind of fairy grass, which is amazing. In the TV series "The Legend of the King of Wu", Yuzi and Zimu used this fairy grass from the King of Wu for many times to save people, which had the effect of bringing them back to life. That's Cao Xian, the king of Wu. It's Rabdosia rubescens. Known as "Cao Xian of the King of Wu", it is the most authentic specialty of the King of Wu in Jiyuan City, Henan Province. I once went to Jiyuan to buy Cao Xian, the king of Wu, so I want to say by the way that Cao Xian, the king of Wu, has a particularly remarkable effect on sore throat and pharyngitis!