Highlights: 1.Jiayin is the earliest discovered and scientifically recorded mining site of dinosaur fossils in China. 2.It has been an important window to spread Chinese dinosaur culture and conduct external exchanges, 3.In recent years, it has been rewarded honorary titles as “top 100 tourism brands of Chinese county” “national 4A scenic spot” “national popular science education base”.And it’s also “the one of the 100 places worth visiting in Heilongjiang”.