Introduction to Deshengsha Road: Located in the northwest of the old urban area of Haikou, it is a 520-meter-long street starting from Xinhua North Road in the east and reaching the northern end of Longhua Road in the west. Deshengsha was called "Waisha" in ancient times, so named because "there is a piece of flat sand outside Haikou". Later, in the 29th year of Daoguang's reign in the Qing Dynasty, the feared pirate Zhang Shiwu invaded Haikou, and Huang Kaiguang led his troops to defeat the bandits here. This "Wai Sha" was renamed "Desheng Sha" from then on. In the eighth year of Xianfeng reign of the Qing Dynasty, Haikou became a treaty port and Deshengsha became a port street. Haikou was the place with the largest number of foreign companies and the fiercest commercial competition. It was noisy and prosperous. Later, the Chinese-French Hospital (1901), the Post Office (1905), the Hainan Hospital built in the 1920s, and the famous "five-story" Haikou Building built in 1931 gradually became the most popular building in the 1930s. One of the bustling main streets.