The museum is located in Lintong District,35 kilometers away from the urban area. In march,1974 when several farmers were sinking a well ,they came upon many fragments of terra-cotta figures.The results of archaeological excavation showed that it was an oblong pits with terra-cotta warriors and horses.Again in 1976 ,two pits were discovered 20meters and 25meters north of the former one respectively . They were named pit1, pit2,and pit3 by order of discovery .

The three pits cover a total area of 22,780 square meters. The museum of first Qin emperor ,one of the top ten places of historical interest in China ,was listed as the world heritage by the UNESCO about a decade ago.

Pit 1 takes an oblong shape.It is 230 meters long ,62 meters wide and 5meters deep, it covers an area of 14,260 square meters.The terra-cotta warriors horse in pit 1 are arrayed in battle formation .According to the density of the formation in each trial ,it is assumed that more than 6,000 terra-cotta warriors and horses could be unearthed from pit 1,most of which are infantrymen .

Pit 2 is measured 6,000square meters ,L-shaped and consists of four different mixed military forces in four array as .It is estimated that there are over 1,000 terra-cotta figure , 500horse-drawn chariots and saddled horses.

Pit 3 is concave shape ,totaling about 520square meters .One chariot ,four terra-cotta horses and 68 clay armored warriors were unearthed from it.Unerathed in this pit were a remaining deer-horn and animal bones .This is probably the place where sacrificial offerings and war prayer were praised.Judging by the layout of pit 3,this is most likely the headquarters directing the mighty underground army.