---
title: "Shuanggui: Chinese Party Detention Procedure"
description: "Shuanggui is an extralegal detention method used by the Chinese Communist Party to investigate corruption among its members, lacking judicial oversight."
url: "https://modeldiplomat.com/learn/glossary/shuanggui"
---

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Model Diplomat Research Team · Last reviewed June 22, 2026

TL;DR

- Shuanggui was an extralegal internal detention and interrogation procedure used by the Chinese Communist Party's discipline inspection apparatus to investigate members suspected of corruption or disloyalty.
- What replaced shuanggui after 2018?
- Why was shuanggui considered extralegal?
- Which authority administered shuanggui?
- What is the difference between shuanggui and shuangkai?

[Civil Service & Diplomatic Exams](https://modeldiplomat.com/learn/civil-services/glossary)Updated June 22, 2026

Shuanggui was an extralegal internal detention and interrogation procedure used by the Chinese Communist Party's discipline inspection apparatus to investigate members suspected of corruption or disloyalty.

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In 2015, the CCDI placed former security tsar Zhou Yongkang's associates under shuanggui to build the corruption case that led to his life sentence, a hallmark prosecution of Xi Jinping's anti-graft campaign.

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