本文论述了怛罗斯之战的背景及经过,指出怛逻斯之战虽然是边将个人素质不高引发的一个偶然事件,但也是唐朝与大食两大势力在中亚角逐的必然反映,是唐朝西域政策的必然结果。指出唐朝西域政策的重心是确保葱岭以东地区安全,防止吐蕃与西突厥等联手侵犯此地,唐在中亚的统治及对付大食的挑战,则退居次要地位。 This article discusses the background and history of the war in Milos, pointing out that although the battle of Milos was an accident triggered by the low personal qualifications, it is also a necessary reflection of the competition between the Tang Dynasty and the Great Food in Central Asia. It is the inevitable result of the Tang Dynasty Western Regions policy. He pointed out that the focus of the policy of the Western Regions in the Tang Dynasty was to ensure the security of the area east of Congling and to prevent the invasion of Tibet by the Tubo and the West Turks. The Tang rule in Central Asia and the challenge to deal with the great food retired to a secondary position.