Woad is also known as tea blue, blue root, big green leaf, woad is effective in clearing away heat and detoxification, cool the blood and eliminate spots, woad is used to treat warm fever, spots, wind-heat colds, sore throat, dengtongue, epidemic encephalitis B, hepatitis and mumps and other conditions, woad medication contraindications is the body is weak without real fire and heat toxicity should not be served with woad.

Taste: bitter flavor, cold nature.

These are the most important of all, and the most important of all is the fact that it has been used in a number of different ways.

Effects: Clearing heat and removing toxins, cooling blood and eliminating spots.

Indications: for fever of warm diseases, spots, wind-heat cold, sore throat. Dan poisoning, epidemic encephalitis B, hepatitis and mumps.