1. Different origins: Cinnamomum cassia mainly grows in the mountainous areas of southern China, Viet Nam and Laos, while Cinnamomum cassia mainly grows in Sri Lanka, India and southern China.
2. Different plant characteristics: Cinnamomum cassia is an evergreen tree with big leaves, and its height can reach 30 meters; Cinnamon, on the other hand, is a shrub or small tree, and its height is generally less than15m.
3. Different fragrance: Cinnamomum cassia has a light fragrance, while Cinnamomum cassia has a strong fragrance.
4. Different chemical components: Cinnamomum cassia and Cinnamomum cassia both contain volatile oils, but their main components are different. Cinnamomum cassia mainly contains cinnamaldehyde and cinnamic acid, while Cinnamomum cassia mainly contains cinnamaldehyde.
5. Different uses: Cinnamomum cassia is mainly used for traditional Chinese medicine dispensing and as a spice and medicinal material, while Cinnamomum cassia is mainly used for food seasoning and medicine.
In a word, although Cinnamomum cassia and Cinnamomum cassia belong to the genus Cinnamomum, they are quite different in plant characteristics, fragrance, chemical composition and uses.