1. Improve blood sugar: cinnamon contains a component called sesquiterpene aldehyde, which can improve the uptake and utilization of glucose by cells, thus reducing blood sugar levels, which is helpful for diabetics.

2. Antibacterial and anti-inflammatory: components such as geraniol and cinnamic acid in cinnamon have antibacterial and anti-inflammatory effects. It can be used to treat inflammatory diseases such as stomatitis, laryngitis and gastroenteritis.

3. Promote blood circulation: cinnamon contains volatile oils, which can promote blood circulation and improve the body's microcirculation.

4. Improve digestion: Cinnamon has the effect of promoting gastrointestinal peristalsis, which can help digestion and relieve stomach discomfort.

5. Sedation and tranquility: cinnamon can also sedate and tranquilize the mind, relieve anxiety, insomnia and other problems.

In summary, cinnamon can not only be used as a flavor, but also has many medicinal values that can help improve all aspects of human health. However, since cinnamon may cause some adverse reactions, dosage and indications should be observed when using it. In particular, pregnant women should avoid excessive consumption of cinnamon.