Cassia Bark is the dried stem bark of Cinnamomum cassia Presl ( F a m. Lauraceae).The drug is frequently collected in autumn, and dried in the shade.

Action: To supplement body fire, reinforce yang, and lead the fire back to the kidney, to dispel cold and relieve pain, and to activate blood circulation and stimulate menstrual discharge.

Indications: Impotence, frigidity, feeling of coldness and pain in the loins and knees; dyspnea in deficiency syndrome of the kidney, dizziness, inflammation of the eye and sore throat dueto yang deficiency; precordial and abdominal pain with cold sensation, vomiting and diarrhea in deficiencycold syndromes; neurosis with a feeling of gas rushing up through the chest to the throat from the lower abdomen; amenorrhea, dysmenorrhea.

Precaution:Used with caution in patients with bleeding tendency or pregnancy. Incompatible with Halloysitum Rubrum.