What does Yu opera mean in Chinese opera?

Yu opera, also known as Henan opera, is popular in Henan and neighboring areas, with clear and smooth singing and authentic and delicate performances, making it the most influential opera in the vocal system of the clappers, with a number of famous actors such as Chang Xiangyu and a number of excellent plays such as Mulan, Mu Guiying Hangs Up the Marshal, Qin Xianglian, and Chaoyang Gully.