Difference: heavy industry ignores agriculture, and the development of industry and agriculture is unbalanced. Reason: 1 In the early days of the founding of the People's Republic of China, the Stalin model of the Soviet Union was adopted, at the expense of agricultural subsidies to industries, and heavy industries were developed in exchange for foreign exchange after buying grain at low prices. After the founding of New China, facing the dangerous situation surrounded by imperialism, we can only give priority to the development of heavy industry, including military industry, in order to safeguard national defense.