Du is a legend in the modern history of China. He lived in old Shanghai? Shanghai Big Three? Among them, Huang loves money, is good at fighting, and Du can be a man. Du once said that there are three bowls of noodles in life, including human face, scene and feelings. Du made friends everywhere, regarded money as dirt, valued friendship and was silent. When the nation was in danger, it took a firm attitude, gave everything it had, donated money enthusiastically, sank the ship to stop the enemy and organized a traitor team. Although his education is not high, he respects intellectuals. Du Yuesheng knows how to take advantage of this situation very well. At one time, he worshipped Huang as a door and began to secretly create momentum. He used Huang's position to make friends, draw all kinds of relationships and cultivate his own power. Du's later power and influence have surpassed that of Huang in the old Shanghai. It can be said that Du's name has become synonymous with gangs in Shanghai.

Du jumped from a gangster to the biggest gangster in Shanghai, and became an industrialist, celebrity and local leader in modern times. He wandered in business, military and political circles, and his sphere of influence extended to finance, industry, news, education and other fields, becoming an active political figure at that time. At the time of Du Fu's greatest influence, the social order in Shanghai was also controlled by him. It can be said that China's political circles, military circles, business circles, journalists, celebrities, bandits and other figures all need Du to please. Du can get everything not only from top to bottom, but also from left to right. Its business scope involved almost all the most profitable industries in Shanghai at that time, even including the banking industry that mastered finance and the newspaper industry that controlled the right to speak of public opinion. It is the leader of this industry and is known as the "underground emperor" of old Shanghai.

Du is good at being a man. He used his relationship in Shanghai to make friends with celebrities and become an active figure in Shanghai's political arena. He used his extraordinary speculation and business skills to make friends with many Shanghai dignitaries. Du He made friends with the remnants of the Qing Dynasty, warlords, politicians, senior officials, celebrities and wealthy businessmen. During the Anti-Japanese War, Mei Lanfang vowed not to sing for the Japanese, but to make a living by selling calligraphy and painting. Du sent someone to buy it secretly, so that Mei Lanfang could have money to live. Huang Yanpei has no money, and Du gives him 500 yuan every month. At the same time, Du donated a lot of anti-Japanese war materials, cooperated with Dai Li to collect information, and used his influence in old Shanghai to carry out anti-rape and counter-insurgency work. After War of Resistance against Japanese Aggression, Du served as the standing committee member of the Central Disaster Relief Committee at that time. Du also used his position as the vice president of the Red Cross Society to set up many hospitals to help the sick and wounded, and organized fund-raising to fight against Japan. When the money is not enough, he pays for it himself.

During the Anti-Japanese War, Du relied on his own relationship to mobilize all circles in Shanghai to subscribe for government bonds, accounting for one-sixth of the circulation at that time, which was considered to have contributed to the Anti-Japanese War. Especially under the attack of Japan, after the fall of Shanghai, Du took the lead in implementing the plan of blocking the Yangtze River, destroying the ships of the shipping company, blocking the Yangtze River waterway and delaying the Japanese attack. With his strong background, numerous contacts and accurate timing in green gang and Shanghai, Du finally achieved his pivotal position in Shanghai.