The action program of the Government of Mongolia includes the action "Mongolian Heritage and the World", and the Ministry of Culture of Mongolia is gradually implementing measures such as bringing back cultural heritage from foreign countries, studying together, and holding exhibitions. within the framework of cooperation, dinosaur fossils from Mongolia that entered the United States illegally were received in 2013, 2015, 2017, and 2020. This time, the Museum of Natural History received 6 types of dinosaur fossils on 02.19.