Cinnamon is also known as longan. Sweet and warm in nature, to the heart, the spleen, can tonic heart and spleen, blood and God. Nutritional value is very high, the flesh contains 17% sugar, 15% crude protein, this fruit from the calorie alone is not high, so eat more should not be easy to fat. From the calorie point of view is not high, but will lead to the body of the cold fire unevenly, affecting the endocrine. It is recommended to eat longan (or cinnamon) not more than 10 pcs in a day. Eat walnuts to not get fat must be eaten in moderation, eat too much, it will lead to excessive calorie intake, causing obesity.