Introduction to the couplet: Wuhou Temple in Mian County, Shaanxi Province has a long history, so there are many ink marks left by celebrities and poets of the past dynasties. Li Shangyin of the Tang Dynasty, Lu You of the Song Dynasty, Xu Xuan and Huang Hui of the Ming Dynasty, Wang Shizhen of the Qing Dynasty, Song Yun, the minister of the Ministry of Industry and Commerce of Emperor Qianlong, Prince Guo Yunli, the seventeenth son of Emperor Kangxi, Li Shuchang, the minister who was envoy to Japan during the Tongzhi period, and the talented scholar in Shu Li Tiaoyuan, the famous modern patriotic general Feng Yuxiang, and the Kuomintang veteran Yu Youren all left their remains here.