[Latin Name]Cortex Cinnamomi [Source]It is the dried bark of cinnamon in the lauraceae family. ‌ [Ratio]5：1 [Specification]3-phenylacrolein‌ [Description]Brown powder [Analytical Method]TLC [Pharmacological Action] 1. Important medicine raw materials : for external use, it can invigorate blood stasis，detumescence and acesodyne; for internal use ,it can be used as unreal cold stomach disorders, abdominal pain, hernia pain, etc. 2. Used as fragrant agents. 3. Used as mouth care products; 4.Used as pesticides: A high effectiveness to destroy worm.