Idiom allusions. "He Ming Jiu Gao" is an idiom allusion that first appeared in Luoyang. It comes from The Book of Songs Xiaoya heming, and heard the name of heming in Jiu Hao. According to Wang Qi's Annals of Henan, Gao Ming, located 50 miles northeast of Song County, Henan Province, is also known as Jiu Hao. Bai Heming once stood on it, hence the name.