The Qiantang River Bridge was designed by renowned bridge engineer Mao Yisheng and presided over the construction. It was the first time that the air pressure method was used to dig mud and pile the caisson. It broke the prediction that foreigners thought it was impossible to build bridges here. It has been a long-term ambition for the Chinese people. Today, the second road and railway parallel Qiantang River Bridge have been built and opened to traffic. It has become the hub of Zhejiang-Shanghai and Shanghai-Hangzhou railways. Shuanghong Feicai, magnificent and magnificent. The majestic bridge, the Chinese children to stand on their own in the forest of the world's national aspirations, and the inscription of "the best and the best of the thousands of days, the day of the traffic but the bridge", the pain of the wrist, but the Chinese people will never forget. Qiantang River Bridge is not only a great achievement in the history of bridges in China, but also a brilliant milestone in the history of railway bridges in China.