Since the 1990s, the global annual consumption of rare earth has increased from 33,000 tons to more than 10-liter tons. Rare earth is not only an important raw material for traditional industries such as steel, non-ferrous metals, petroleum, but also in photoelectric information, catalytic equivalent technology, and new materials. It has shown an irreplaceable role in the field. In today's world, a new use of rare earth is found almost every 3 to 5 years, and one out of every four new technologies is related to rare earth. China is the largest resource country of rare earth and protects Rare earth resources are urgently needed. This text mainly states:. ['The characteristics and value of thinness are gradually being understood by humans.', 'Broad prospects for the development and utilization of rare earth resources in China.', 'The international community has regarded the rare earth as a strategic resource.', 'Development and utilization of rare earth restrict high-tech applications.']