<?xml version="1.0" encoding="UTF-8"?>
<record type="herb" updated="2026-09-18T16:36:19.700431+00:00">
  <source>Bencao Index</source>
  <source-url>https://bencaoindex.com/</source-url>
  <canonical>https://bencaoindex.com/herbs/du-zhong/</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/du-zhong/&quot;&gt;Bencao Index&lt;/a&gt;</attribution-html>
  <names>
    <name type="pinyin">du zhong</name>
    <name type="chinese">杜仲</name>
    <name type="latin">Cortex Eucommiae</name>
    <name type="english">Eucommia Bark</name>
    <name type="japanese">tochu</name>
    <name type="korean">duchung</name>
  </names>
  <category>Tonify Yang</category>
  <channels>
    <channel>Kidney</channel>
    <channel>Liver</channel>
  </channels>
  <actions>
    <action>
      <summary>Tonifies the Liver and Kidneys and strengthens the sinews and bones</summary>
      <indication>Liver and Kidney deficiency with a sore, weak or aching lower back and knees, weak legs, tiredness and frequent urination</indication>
      <indication>Weak sinews and bones</indication>
    </action>
    <action>
      <summary>Promotes the smooth flow of Qi and Blood</summary>
      <indication>Improves circulation where the sinews and bones are weak</indication>
    </action>
    <action>
      <summary>Calms the fetus</summary>
      <indication>Bleeding during pregnancy in a Kidney deficiency, Cold pattern</indication>
      <indication>Threatened miscarriage with a restless fetus, marked backache or a deficient constitution, alongside other herbs that calm the fetus</indication>
    </action>
    <action>
      <summary>Calms ascending Liver Yang and lowers blood pressure</summary>
      <indication>Liver Yang rising on a base of deficient Liver and Kidneys, with light-headedness, dizziness and blurred vision</indication>
    </action>
    <action>
      <summary>Warms and tonifies Kidney Yang</summary>
      <indication>Impotence, incontinence and other reproductive or urinary disorders, with a cold, weak lower body</indication>
    </action>
  </actions>
</record>
