The quality of fourteen kinds of imported crude oils from some different ports in recent three years was analyzed.It shows that most of these crude oils are middle or light crude oils except that Doba Crude Oil is heavy crude oil;most are low sulfur or sulfur contained crude oils except that Arabian Middle Crude Oil is high sulfur crude oil.Doba Crude Oil has the highest average density,923.6kg/m3,whereas Marib Crude Oil has the lowest one,793.7 kg/m3.Arabian Middle Crude Oil has the highest sulfur content,2.56%(m/m),whereas Bach Ho crude Oil has the lowest one,0.043%(m/m).Doba Crude Oil has the highest water and sediment content level,0.36%(v/v),whereas Masila Crude Oil has the lowest one,0.024%(v/v).