The archaeological site of Bai Coi, belonging to hamlet 9, commune of Xuan Vien, huyen of Nghi Xuan, province of Ha Tinh. This site has been discovered, explored and excavated since the years 70 of the 20 th century. To have more information on the character and the cultural contents of the site as well as to exhume in time the precious vestiges face to the destruction of the site (because of sand exploitation, and because of the search of ancient objects by the popukation… ), from 12/2008 to the end of 1/2009, the National Museum of Vietnamese History, in coordination with the Service of Culture, of Sports and Tourism of Ha Tinh, has undertaken the excavation of the site of Bai Coi.