In order to more fully rational use of Oman crude oil,the comprehensive evaluation of its properties was carried out.The results show that the freezing point of crude oil is low,as lower than-35℃,20℃density of 0.866 0g/cm3,API°31.11,the sulfur content of 1.41%,belong to the sulfur intermediate base crude oil.lower than 360 ℃ fraction yield was44.56%,lower than 520℃fraction total 67.03%.The crude oil,light oil yield,total is higher,metal nickel and vanadium content is higher.This article carries on the comprehensive evaluation and analysis on the nature of each fraction,and is suitable for processing scheme was put forward.