Almond oil is extracted from almond that is obtained from almond drinkable factory.Some factors influencing the extraction ratio of almond oil were discussed.These factors involved the choice of extraction solvent,the ratio of almond seed and extraction solvent,temperature and time of extraction,ect.The optimum conditions for the best extraction ratio were as follows: 90 ml dichloromethane was optimum extraction solvent;0.8mol/L Sodium hydroxide was acted as extracting solution;the extracting solution was h...