1, Huanglian mainly contains berberine, berberine, medicinal root alkaloids, methylberberberine, barmartine and other alkaloids, as well as aluminum, magnesium, potassium, mercury, lead and other inorganic elements. Pharmacological studies have shown that Huanglian has anti-inflammatory, central inhibition, antipyretic, anti-myocardial ischemia and arrhythmia, inhibition of platelet aggregation, excitation of respiratory motility, excitation of respiratory motility, excitation of gastrointestinal smooth muscle, anti-ulcer, cholagogue, hypoglycemic and other effects.

2, the general use of Huanglian is 2 to 5 grams, water decoction, external and internal use in appropriate amounts. Huanglian's role is more, but because it is a bitter and cold Chinese medicine, frequent use or a large amount of easy to hurt the stomach qi, often referred to as "bitter and cold to defeat the stomach," that is, for the spleen and stomach cold, spleen and kidney deficiency diarrhea, stomach vomiting is not suitable for use; Chinese medicine believes that the bitter and dry easy to damage the human body's yin and Jin, so for the yin deficiency Jin injuries, should also be used with caution.

3, Huanglian for medicinal use is more elaborate, in addition to raw, there are wine, ginger juice, Wu Juju water and other concoctions of Huanglian supplies. Huanglian in wine is good at clearing the heat of the head, used for eye redness, swelling and pain, mouth and tongue sores, etc.; Huanglian in ginger is good at clearing stomach heat to stop vomiting, often used in nausea and vomiting of damp-heat obstruction.

4, Huanglian detoxification soup: Huanglian, gardenia each 9 grams, scutellaria, cypress each 6 grams, water decoction. Diarrhea fire detoxification. Treatment of great heat and irritability, dry mouth and throat, wrong speech and sleeplessness, or heat disease, vomiting blood, epistaxis, or heat very hair spots, or body heat dysentery, or damp-heat jaundice, or surgical carbuncle ulcer and furuncle, yellow and red urine, etc.; Acute enteritis, acute jaundice hepatitis, septicemia and so on.

5, Huanglian capsule: clearing heat and drying dampness, diarrhea, detoxification, used for dysentery due to damp-heat toxicity, jaundice, fever, jaundice, vomiting and diarrhea, nausea, urine yellow as tea, red eyes, swallowing acid, gum swelling or stool pus and blood.

6, Huanglian ginger tea: Huanglian, green tea, ginger, brown sugar, each appropriate. Green tea, Huanglian with boiling water, 5 minutes after pouring into the ginger, brown sugar, mix well, feel free to drink. Clears heat, harmonizes the stomach, stops dysentery, used for dysentery and so on.