Oleander is a common vegetable, belongs to the ingredients, moderate consumption can be supplemented with carbohydrates and other nutrients, long-term moderate consumption of oleander usually does not bring harm. Long-term consumption of large quantities can easily lead to malnutrition. Oleander is a lettuce plant of the Asteraceae family, originating from the Mediterranean coast, and is cultivated in many parts of China. 95.7% of oil wheat lettuce is water, and the main nutrient that can be consumed in oil wheat lettuce is carbohydrate, accounting for 2.1%. Every 100 grams of rape contains 12 calories, of which 0.4 grams of fat and 1.1 grams of protein. Moderate consumption of oil wheat can supplement some of the nutrients needed by the human body, but only by consuming oil wheat can not completely provide the human body needs a miscellany of nutrients, but oil wheat small calories, three major nutrient content is small, long-term consumption of large quantities of other nutrients can easily lead to insufficient intake of nutrients, serious cases can be triggered by malnutrition. Diet needs to be a combination of meat and vegetables, the right amount of reasonable, all kinds of food should be moderate intake.