<?xml version="1.0" encoding="UTF-8"?>
<record type="herb" updated="2026-09-18T16:34:52.108459+00:00">
  <source>Bencao Index</source>
  <source-url>https://bencaoindex.com/</source-url>
  <canonical>https://bencaoindex.com/herbs/shui-zhi/</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/shui-zhi/&quot;&gt;Bencao Index&lt;/a&gt;</attribution-html>
  <names>
    <name type="pinyin">shui zhi</name>
    <name type="chinese">水蛭</name>
    <name type="latin">Hirudo</name>
    <name type="english">Leech</name>
    <name type="japanese">suitetsu</name>
    <name type="korean">sujil</name>
  </names>
  <category>Invigorate the Blood</category>
  <channels>
    <channel>Bladder</channel>
    <channel>Liver</channel>
  </channels>
  <safety toxic="true">Recorded toxic in this catalogue. Read the cautions on the record.</safety>
  <actions>
    <action>
      <summary>Breaks up and drives out Blood stasis and reduces fixed masses</summary>
      <indication>Stubborn, fixed, long-standing Blood stasis</indication>
      <indication>Palpable, immovable abdominal or uterine masses (Zheng Jia) from congealed Blood</indication>
      <indication>Absent periods caused by obstructing Blood stasis, not by deficiency</indication>
      <indication>Bruising, swelling and pain after traumatic injury</indication>
    </action>
    <action>
      <summary>Clears the water passages</summary>
    </action>
    <action>
      <summary>Induces abortion</summary>
    </action>
  </actions>
</record>
