Shushan refers to the mountains in Sichuan, which was first seen in Du Mu's Epang Palace Fu. "Shu, A Fang goes out". Sun Yat-sen mentioned in "Sacrificing the Righteousness of Shu" that "the Minjiang River is vast and the mountains of Shu are majestic, but only the talents of Shu are aboveboard". Shushan should be in Sichuan, which is probably the general name of the mountains around Emei Mountain. The word "Shushan" is a famous article in the series "Biography of the Swordsman of Shushan" written by the landlord of Zhu Huan in his early years.