Drains heat and purges accumulations - high fever, profuse sweating, thirst, constipation, abdominal distention and pain, delirium, yellow tongue coating, full pulse which indicates intestinal heat excess or yang ming stage illness.
Drains heat from the blood - blood in the stool from bleeding hemorrhoids or heat in the intestine; vomting blood or nosebleed accompanied by constipation; painful eyes or fire toxin sores due to heat in the blood level.
Drains damp-heat via the stool - jaundice, dysentery, lin syndrome.
Invigorates the blood and dispels blood stasis - amenorrhea, abdominal masses, fixed pain due to blood stasis (recent and long-term blood stasis).
Clears heat and reduces fire toxicity - for burns, hot skin.
Clears heat, drains fire, especially from the upper warmer - heat patterns with fever, irritability, thirst, cough, thick, yellow sputum, hot sores and swellings.
Clears heat, dries dampness - damp-heat in the stomach or intestines, diarrhea, dysentery; damp warm-febrile disease with fever, stifling sensation in the chest, thirst with no desire to drink; damp-heat in the lower jiao - lin syndrome; damp-heat jaundice.
Clears heat, stops bleeding - vomiting and/or coughing of blood, nosebleed, blood in the stool.
Clears heat, calms the fetus - restless fetus due to heat.
Sedates liver yang rising - headache, irritability, red eyes, bitter taste, flushed face.
Clears liver and the eyes (sweet, cold) - wind-heat in the liver channel manifesting with red, painful, dry eyes or excessive tearing, or yin deficiency of the kidneys and liver with floaters, blurry vision, or dizziness.
Clears heat (Heart and Liver), eliminates irritability - heat patterns with fever, restlessness, insomnia, delirium, stifling sensation in the chest.
Drains damp heat - lin (urinary dysfunction) syndrome due to damp-heat in the lower warmer, damp-heat and constrained liver and gallbladder causing jaundice, damp-heat in the gall bladder and triple heater channels of the face - eyes, nose, sores in the mouth and face.
Cools the blood, stops bleeding - nosebleed, blood in vomit, stool, urine; (needs to partially charred).
Topically for blood stasis due to trauma, reduces swelling.