Mass mobilization is the key to the CPC's success in advancing various projects.The mass mobilization in the Huai Control Project in Anhui in the 1950s was a great practice of the CPC in uniting and leading the masses to build socialism.The Party and the People's Government,by establishing a perfect organization and system,taking measures such as strengthening propaganda and education,relieving worries,setting up typical models,and launching merit compe-titions.Those efforts stimulated the enthusiasm of the masses to participate in the Huaihuai Control Project,and continu-ously exerted their subjective initiative in the Huaihuai Control Practice,thus promoting the smooth development of the Huaihuai Control Project.The mobilization carried forward the spirit of self-reliance and hard work,and further strength-ened the political identity of the people with the Party and the country.