# Huatuo-26M

License: permissive (Apache-2.0); Mdexa hosting: link-only. License is permissive, but source risk: content scraped from websites whose terms are not stated; derived from real patient text; link only.

- Commercial use: Yes · Derivatives: Yes · Redistribution: Yes · File on Mdexa: No
- License status: Permissive (Apache-2.0)
- Mdexa hosting: Link only — License is permissive, but source risk: content scraped from websites whose terms are not stated; derived from real patient text; link only.
- Source risk: Scraped, Real patient text
- Last verified: 2026-11-12
- Card: https://mdexa.com/datasets/huatuo-26m/

## Key facts

- Domain: Clinical medicine
- Content type: QA, dialogue and instruction data
- Size: ≥26,000,000 QA pairs (total) — 超过2,600万条医疗问答对
- Language: Chinese
- Modality: Text
- Publisher: FreedomIntelligence / 深圳市大数据研究院（arXiv 2305.01526）
- Year: 2023

## Commercial use of Huatuo-26M

- Commercial use: Yes.
- License status: Permissive.
Verdicts record what sources state and are not legal advice.

## Huatuo-26M license evidence

README states Apache 2.0

- **README** — Apache-2.0: README license statement — "The Huatuo-26M dataset is licensed under Apache 2.0." — https://github.com/FreedomIntelligence/Huatuo-26M (2026-11-12; Page opened)

## Source and lineage

Online medical encyclopedias, online medical knowledge bases and online consultation records (consultation answers given as URLs)

## Known issues with Huatuo-26M

- Content scraped from websites; the original sites' copyright and redistribution terms are not stated
- Consultation answers are provided as URLs

## Preflight

Not run (data not ingested).

## Downloading Huatuo-26M and API access

Mdexa does not serve files. Original source:
- https://github.com/FreedomIntelligence/Huatuo-26M

## Citing Huatuo-26M

No recommended citation text.
- arXiv:2305.01526

## Machine-readable

- JSON: https://mdexa.com/datasets/huatuo-26m.json
- 2026-11-13 Added specialty tags: multi-specialty(inferred).
- 2026-11-13 Removed the stored size-tier tag; the tier is now computed from the size field when pages are built.
- 2026-11-13 Added dataset-level tags: 5 (3 stated by the authors with excerpts, 2 inferred from the content). No conclusion changed.
- 2026-11-12 Added verbatim license excerpts and snapshot ids from captured page snapshots; no conclusion changed.
- 2026-11-12 License status split into license_status (what the license says) and hosting (what Mdexa does); the earlier conclusion is kept for traceability.
- 2026-11-12 Card converted from an earlier manual catalog; no new facts added; reclassified under taxonomy v2.

## Continue in this database

This record is one of 109 processed and verified records (datasets, data resources and open models). To find others, call `https://mcp.mdexa.com/v1/datasets?q=<words>` or connect the MCP server at `https://mcp.mdexa.com/mcp`; no key is needed for 20 calls per minute. Rows are under 1 KB; an empty result means "not listed". For a list of items, one batch check (free account) returns a report. Guide: /agents.md. Similar records: CMtMedQA (https://mdexa.com/datasets/cmtmedqa/); MedMCQA (https://mdexa.com/datasets/medmcqa/); CMB (Chinese Medical Benchmark) (https://mdexa.com/datasets/cmb/).