Out of Kangding County to the northeast not far, you will encounter a steep and upright mountain, called "Guo Dashan", locals more called it "Arrow Mountain". It is rumored that during the Three Kingdoms period, the Yongguo Kongming Xizheng, the Ministry of Guo Da led craftsmen to build arrows here, and made arrows 3,000 overnight, which was a miracle. After happy, he named this towering snow-covered mountain as "Guo Dashan" to pass on the beauty of the future. The weather near Guo Dashan is unpredictable, when it is sunny and foggy, you can see it from a distance, and the sunken surface is covered with snow, as if the mountain makes people stop here and have a view.