水利部黄河水利委员会老主任王化云是新中国治河的代表人物．他从事治河的这一时期（1946年～1992年）是中国历史发生重大转折的时期：人民共和国取代了专制集权，社会主义制度取代了阶级剥削制度。治黄事业也由统治阶级治河时代进入了人民治河时代．王化云治河时期与新中国的 Wang Huayun, former director of the Yellow River Conservancy Commission of the Chinese Ministry of Water Resources, is the representative of the new China governing the river. This period (1946-1992) in which he was running the river was a period of significant turnaround in Chinese history: the People’s Republic replaced autocratic centralization, and the socialist system replaced the system of class exploitation. Governance of the Yellow Project also entered the era of people’s rule by the ruling class. Wanghua Yunhe period and the new China