Extra virgin olive oil: It is taken directly from the ripe fruit of the olive extract mechanical cold pressing method, after filtering, obtained after treatment to remove foreign matter sauce, the process is completely without chemical treatment, without any preservatives and additives, such Olive oil has a unique flavor, suitable for direct consumption or make a salad with significantly retained its original flavor and nutritional value. According processing and liquids of different acidity, virgin olive oil is divided into three levels, extra virgin olive oil is the best olive oil, usually the price of money. The efficacy and effectiveness of the role of olive oil: olive oil can protect the cardiovascular system in many ways: Olive oil can prevent the complications of arteriosclerosis and atherosclerosis, hypertension, heart disease, heart failure, kidney failure, brain hemorrhage. Olive oil can be effective in reducing the incidence of cholecystitis and gallstones. Olive oil has the effect of preventing diabetes, olive oil as well as cosmetic effect. An olive oil by lowering homocysteine, prevent inflammation, reduce arterial wall injury. Second, by increasing nitric oxide levels in the body relaxed arteries, lower blood pressure. Three, monounsaturated olive oil fatty acids can reduce the efficacy of the oxidation of cholesterol lda. Fourth, improve and enhance the effectiveness of olive oil has the function of the endocrine system