Longan is cinnamon, longan is still easy to get on fire. Longan in the classification of fruits, Chinese medicine believes that it belongs to the hot and warm fruit, so eating too much is likely to cause sores on the mouth and tongue, skin sores, or constipation and other problems. You may hear a disease named lychee disease, lychee and cinnamon belongs to a close relative, in the fruit of the hot and cold classification belong to the warm category of fruits, easy to cause fire after eating. Lychee disease is to eat too much lychee, prone to hypoglycemia performance, such as panic, sweating, serious may cause hypoglycemic coma. So this type of fruit do not eat more, generally point to the end. If you are prone to fat people, you should also pay special attention.