The early Silk Road trade is not to silk as the main material, around the 15th century BC, Chinese merchants had access to the edge of the Taklimakan Desert, buy produce from Hotan jade is now the Xinjiang region, while selling seashells and other coastal specialties, with the Asia, small-scale trade. The horses and other animals are also suitable for long-distance transport was constantly being used by people to make large-scale trade and cultural exchanges possible. Example, frequently used in the Arab region, anti-thirsty, drought-resistant hungry dromedary, in the 11th century BC, the transport will be used for business travel. The nomads scattered in Asia and Europe is reported in the 41 century BC, began breeding horses around. Two-humped camels in the near future has also been used in business travel. In addition, the hinterland of the Eurasian continent is a vast grasslands and fertile land, nomads and caravan for the transport of livestock in terms of anytime, anywhere is stabilized, and the nearest supply of water, food and fuel. As a result a caravan, travel teams or the military can not noticed along the powers of their existence or to stimulate a hostile manner to carry out long-term, sustained and long distances to travel.