Modern research has confirmed that the active ingredient of cinnamon sticks is actually a volatile oil, the main component of which is cinnamon aldehyde, a substance with a peculiar aromatic odor. This substance is extremely unstable in the air, easy to volatilize, so we can often smell cinnamon sticks with a peculiar aroma.

Pharmacological studies have shown that cinnamaldehyde has obvious antipyretic and analgesic effects. Cinnamon bark aldehyde can dilate central and peripheral blood vessels, adjust blood circulation, so that the blood flow to the body surface, and can stimulate sweat glands, through sweating to accelerate the dissipation of body temperature in order to achieve the therapeutic effect of antipyretic, so that the cinnamon stick can play the main substances sweating muscle function.