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<record type="herb" updated="2026-09-18T16:35:17.787479+00:00">
  <source>Bencao Index</source>
  <source-url>https://bencaoindex.com/</source-url>
  <canonical>https://bencaoindex.com/herbs/da-qing-ye/</canonical>
  <licence>Free to use and republish with visible attribution and a link back to the source page. The catalogue is a reference work and is knowingly incomplete; nothing in it is medical advice.</licence>
  <attribution-html>&lt;a href=&quot;https://bencaoindex.com/herbs/da-qing-ye/&quot;&gt;Bencao Index&lt;/a&gt;</attribution-html>
  <names>
    <name type="pinyin">da qing ye</name>
    <name type="chinese">大青叶</name>
    <name type="latin">Folium Isatidis</name>
    <name type="english">Isatis Leaf</name>
    <name type="japanese">taiseiyo</name>
    <name type="korean">daecheongyeop</name>
  </names>
  <category>Clear Heat, Relieve Toxicity</category>
  <channels>
    <channel>Lung</channel>
    <channel>Stomach</channel>
    <channel>Heart</channel>
  </channels>
  <actions>
    <action>
      <summary>Clears Heat and resolves Fire toxicity</summary>
      <indication>Warm febrile disease: high fever with thirst and irritability, and a scarlet tongue</indication>
      <indication>Pneumonia</indication>
      <indication>Severe epidemic Fire toxin that affects everyone, whatever their constitution</indication>
      <indication>Fire toxin (Chuang Yung) anywhere in the body, above all in the Lungs and throat, including a sore, swollen throat</indication>
      <indication>Throat Bi and ulcers in the mouth</indication>
      <indication>Skin eruptions from Heat toxin, erysipelas-like redness and swellings, applied topically</indication>
    </action>
    <action>
      <summary>Cools the Blood and dissipates maculae</summary>
      <indication>Dark purple or crimson blotches and rashes from intense Blood Heat, its particular strength</indication>
      <indication>Very high fever with irritability and altered consciousness</indication>
      <indication>Gallbladder Heat</indication>
      <indication>Vomiting of blood</indication>
    </action>
    <action>
      <summary>Clears Heat toxin from the head and upper body</summary>
      <indication>Mumps</indication>
      <indication>Sores of the mouth and tongue</indication>
      <indication>Red, swollen eyes</indication>
    </action>
  </actions>
</record>
