1, cinnamon in the sugar content is very high, diabetic people can not eat cinnamon;

2, cinnamon belongs to the hot and dry food, so suffering from hemorrhoids, acne, redness and swelling is not suitable for consumption;

3, cinnamon has the possibility of leading to stagnation of gas in the body, heavy fire or inflammation is not suitable for people to eat;

4, Menstrual volume is relatively large women can not eat cinnamon, there is the possibility of causing hemorrhage appeared;

5, cinnamon hot, gastrointestinal digestion is not good, easy to constipation can not eat too much;

6, in the wind-cold cold, diarrhea is prohibited to consume cinnamon, cinnamon may lead to the aggravation of these conditions.