The source is the bark of Cinnamomum cassia of Lauraceae.

Features: this product is shallow trough or drum-shaped, with a length of 30 ~ 50 cm, a width of 3 ~ 10 cm and a thickness of 2 ~ 8 mm. The outer surface is grayish brown, slightly rough, with lateral microprotrusions and fine wrinkles; The inner surface is brownish red, smooth, with fine longitudinal lines and oil stains. Hard and brittle, with granular cross section, brown outer layer, reddish brown inner layer and oily shape, with 1 light yellow lines (stone cell zone) between the two layers. Rich in flavor, sweet and spicy.

It tastes spicy and sweet.

Function: It is mainly used to tonify fire, strengthen yang, induce fire to return to the source, dispel cold and relieve pain, promote blood circulation and dredge menstruation. It can be used for impotence, palace cold, heart cold and pain, vomiting and diarrhea due to deficiency cold, amenorrhea, dysmenorrhea, warming meridians and dredging veins.

Cinnamon is mainly used as a condiment for food.

cinnamon twig

It is the dry twig of Cinnamomum cassia, an arbor plant of Lauraceae.

Sexual taste is sweet. Warm. Heart, lung and bladder meridians.

Efficacy: sweating, relieving exterior syndrome, warming channels and relieving pain, and helping yang to transform qi.