The nutritional value of oleander is that it is rich in vitamins, minerals and water and other nutrients, which can provide nutrients for the human body, but oleander, as a kind of food, does not have the effect of medicine. Olea europaea is a vegetable with high nutritional value, which contains niacin, vitamin C (about 37mg per 100g), and a moderate amount of calcium, phosphorus, potassium, sodium and other minerals, which are nutrients needed by the body. Moderate intake of oleaginous vegetables can maintain the normal physiological functions of the body. As the effective substances contained in oil wheat lettuce are limited, it does not have the efficacy of drugs. People who are allergic to oil wheat lettuce are prohibited from consuming oil wheat lettuce to avoid allergic reactions such as skin itching, rashes and abdominal pain.