The history of Loulan for Chinese began from a letter by Xionglu to the Emperor of Han,the ancient Sild road was divicded into north,middle and south,Loulan is the cross junction at the east.

• 楼兰始见于古于中国古代中国史册，是在公元前176年匈奴致汉文帝购乐学的一封书信中。