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License status and Mdexa hosting, recorded separatelyAll datasets

Huatuo-26M

Verified by Mdexa · Checked against the source text under public rules.How we check

Commercial use
Yes
Derivatives
Yes
Redistribution
Yes
File on Mdexa
NoLink only

README states Apache 2.0

PermissiveLink onlyApache-2.0Save

Badge

Mdexa verified · Permissive · 2026-11Mdexa verifiedPermissive · 2026-11

[![Mdexa verified · Permissive · 2026-11](https://mcp.mdexa.com/v1/badge/datasets/huatuo-26m.svg)](https://mdexa.com/datasets/huatuo-26m/)

Place it on a repository or dataset page; the status and date follow the verification. About badges

Cite this pageMdexa, Huatuo-26M, https://mdexa.com/datasets/huatuo-26m/, verified 2026-11-12.

Source riskScrapedReal patient text

Key facts

Domain
Clinical medicine Modern medicine
Content
QA, dialogue and instruction dataQA corpus (encyclopedia, knowledge graph, consultations)
Size
  • ≥26,000,000 QA pairstotal
As stated: 超过2,600万条医疗问答对
Language / modality
Chinese / Text
Publisher
FreedomIntelligence / 深圳市大数据研究院（arXiv 2305.01526）
Year
2023
Expert review
Not stated
Verification
Verified: license text seen

Commercial use of Huatuo-26M

Commercial use: Yes. License status: Permissive.

Quoted statements and their sources are in Huatuo-26M license evidence.

Verdicts record what sources state and are not legal advice.

Tags

Task format
Open-ended QA
Intended use
Pretraining

Quoted from the source- As pre-training data for language model (LM):Snapshot s01

Fine-tuning

Quoted from the source- As fine-tuning data for Medical LLM:Snapshot s01

Evaluationtest set

Quoted from the sourceThe following is the huatuo test set we used in the paper, which consists of random sampling of data from multiple sources.Snapshot s01

Specialty
Multi-specialty

Author-statedInferredHuman-confirmed

Huatuo-26M license evidence 1

  1. READMEPage opened
    Apache-2.0
    Third-party text · READMEThe Huatuo-26M dataset is licensed under Apache 2.0.

    README license statement

    github.com2026-11-12 · s01

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 Runs only on ingested data; says nothing about quality.

Downloading Huatuo-26M and API access

No file on Mdexa (see the verdict). Get it from the source and confirm the terms there:

Citing Huatuo-26M

Mdexa, Huatuo-26M, https://mdexa.com/datasets/huatuo-26m/, verified 2026-11-12.
More citation details

The source gives no citation text; the line above cites this card.

Machine-readable

huatuo-26m.jsonhuatuo-26m.mdcatalog.json

Change log 6
2026-11-13Added specialty tags: multi-specialty(inferred).
2026-11-13Removed the stored size-tier tag; the tier is now computed from the size field when pages are built.
2026-11-13Added dataset-level tags: 5 (3 stated by the authors with excerpts, 2 inferred from the content). No conclusion changed.
2026-11-12Added verbatim license excerpts and snapshot ids from captured page snapshots; no conclusion changed.
2026-11-12License status split into license_status (what the license says) and hosting (what Mdexa does); the earlier conclusion is kept for traceability.
2026-11-12Card converted from an earlier manual catalog; no new facts added; reclassified under taxonomy v2.

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