On this day 77 years ago, on August 20, 1948 (July 16, 1948 lunar calendar), Chiang Ching-kuo "fought tigers" in Shanghai. The deformed Shanghai World, on August 24, 1948, Chiang Ching-kuo came here to arrest stolen officials. In August 1948, when Chiang Ching-kuo implemented emergency financial and economic measures in Shanghai, he carried out activities against giant businesspeople, wealthy households, and big bureaucrats. This activity was called "fighting tigers". On August 20, Chiang Ching-kuo arrived in Shanghai as the deputy economic control supervisor of the Shanghai Economic Control Zone. He was transferred to the "Prospecting Disorder and Building the Country Brigade" and organized the "Shanghai Youth Service Corps" as the backbone team to implement emergency measures. He put forward the slogans "only fight tigers, not flies"; "fight the scum that endangers the country" and "save the most suffering compatriots". On August 23 and 27, he twice commanded six military and police units in Shanghai to search the city's inventory houses and water and land transportation places. Those who violated the law had their licenses revoked, the person in charge was brought to justice, the goods were confiscated, and Zhang Yamin, the head of the Shanghai Police Department, who committed extortion, was shot. Officials Qi Zaiyu and a hoarder businessperson Wang Chunxi arrested 64 people. Jiang Jingguo himself also went on patrol in micro-clothing, and found that officials who were corrupt and bribed were severely punished.