1. The great geographical discovery broke the isolation of the world, made the world gradually become a whole, and objectively provided an objective geographical environment and development premise for globalization. 2. The geographical discovery has promoted the cross-regional production, circulation, exchange and consumption of world commodities and expanded the world market;

3. The great geographical discovery has promoted the free flow of talents, capital and technology in the world, and even the prosperity and progress of regional economy;

4. Promote the complementary advantages of the world economy and the development of free competition in the market economy;

5. The economic globalization after the geographical discovery has opened the door for the developed countries to plunder the backward countries, and formed the disparity between the rich and the poor in the world. The strength of foreign economies has led to the subjugation of the national economies of some countries.