Description:

安南高山 大树玉桂皮 肉桂

为樟科植物天竺桂、阴香、细叶香桂或川桂等的树皮。

性味

辛；甘；性温

经脉

脾；胃；肝；肾

功效

暖脾胃，散风寒，通血脉。治腹冷胸满，呕吐噎膈，风湿痹痛，跌损瘀滞，血痢肠风。

注意禁忌

阴虚火旺忌服，孕妇慎服。 

Gui Pi/Cassia Cinnamon 

Some people use it for erectile dysfunction (ED), hernia, bed-wetting, joint pain, menopausal symptoms, menstrual problems, and to cause abortions. Cassia cinnamon is also used for chest pain, kidney disorders, high blood pressure, cramps, and cancer. People apply cassia cinnamon to the skin to repel mosquitoes. (rxlist.com)

From the manufacturer: 

This is the dried bark and branch bark of Lauraceae cinnamon. The taste is spicy hot. It enters the Kidney, Spleen, and Bladder meridians. 

Indications: for replenishing Yuanyang, warming the spleen and stomach, removing cold accumulation, and clearing blood vessels. It has been used to cure “mingmen life-span fire failure,” cold limbs and weak pulse, collapsed yang, abdominal pain and diarrhea, cold hernia, cold pain in the waist and knees, amenorrhea, yin gangrene [slow healing, oozing wound], and floating yang, upper heat and lower cold [feeling as though feverish in the head but with cold lower body and extremities.] 

Cautions: Avoid taking with Yin-deficiency [fever, chronic thirst and hunger] Huowang, pregnant women should avoid it.

Cautions: Avoid this tea during pregnancy