On June 17, 2013 (May 10, 2013 in the lunar calendar), the whole genome sequencing of peanuts was deciphered for the first time in the world. The world's first deciphered peanut genome sequencing. On June 17, 2013, led by China scientists, with the participation of scientists from the United States, Brazil and other countries, jointly completed the whole genome sequencing of wild diploid peanut species, which had a significant impact on the market pattern of my country's edible oil. In fact, the sequencing of the peanut genome has taken many years, but due to the huge and complex size of the cultivated peanut genome, genome sequencing and analysis are very difficult. In the past, when the whole genome sequencing of peanuts could not be carried out, building a cDNA library for large-scale EST sequencing was an important way to study the peanut genome. These EST sequences come from different tissues or expression products after different treatments of peanut, providing rich resources for the mining of functional genes and the development of molecular markers. Later, with the birth and rapid development of a new generation of sequencing technology, the plan to sequence the whole gene of peanuts was gradually carried out and completed. In particular, this project to sequence the entire gene of peanuts is carried out based on the use of new sequencing technology. In cooperation with the Shandong Province Academy of Agricultural Sciences, the Guangdong Province Academy of Agricultural Sciences, etc. and the University of Georgia in the United States, researchers used diploid wild peanuts as research objects to sequence. The final result was that 70% of the base sequences in the wild peanut gene were duplicate, far exceeding the previously internationally agreed standard of a repetition rate of less than 50%. This provides strong technical support for solving major technical problems such as improving peanut protein composition and significantly increasing peanut oil yield in the future. The completion of the entire genome sequencing of peanuts is like drawing a "genetic map" of peanuts, and scientists can follow the map. According to this "genetic map", when cultivating high-quality new varieties with higher yields, drought tolerance and disease resistance, the breeding cycle can be shortened from the previous 5 to 6 years to 1 to 2 years; and some previous questions about peanuts can also be explained to a certain extent. These have provided valuable resources and important support for researchers to cultivate new peanut varieties with higher yields and wider adaptability.