Historical evolution of Qin iron bronze sword architecture

Qintie Copper Sword Building is located in the West Street of Guli Town, Changshu City, and it is also known as the four major library buildings in China in Qing Dynasty, together with Haiyuan Pavilion of Yang Yizeng in Liaocheng, Song Li Building of Lv Xinyuan in Gui 'an, Eight Thousand Volumes Building of Dingxin in Qiantang and Ding Bing. Not only in the history of Changshu, but also in the history of China's cultural development, it has a unique position since Zhao's pavilion in the Ming Dynasty, the pavilion of Jin Mao and his son, Jiang Yunlou and Shu Drum Tower in the early Qing Dynasty, Qin Tie and Bronze Sword Tower in Qu Dynasty. The collection of Qin Tie bronze sword hall can be traced back to the Qianlong period of Qing Dynasty. After several generations of Jiaqing, Daoguang, Xianfeng, Tongzhi, Guangxu, Xuan Tong and the Republic of China, New China has been tortuous for more than 200 years. It has gone through the stages of start-up, development, prosperity, disaster, stability and a good death, leaving a relatively complete collection of books for future generations and making contributions to the historical and cultural development of China.