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License status and Mdexa hosting, recorded separatelyAll datasets

CMBChinese Medical Benchmark

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

Repository and dataset card both state 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/cmb.svg)](https://mdexa.com/datasets/cmb/)

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

Cite this pageMdexa, CMB (Chinese Medical Benchmark), https://mdexa.com/datasets/cmb/, verified 2026-11-12.

Source riskExam-derived

Key facts

Domain
Clinical medicine Modern medicine
Content
Question banks and benchmarks · Clinical casesQuestion bank and benchmark (multiple-choice questions plus clinical case consultations)
Size
  • 11,200 questionsCMB-Exam test
  • 280 questionsCMB-Exam validation
  • 269,359 questionsCMB-Exam train
  • 74 casesCMB-Clin
As stated: CMB-Exam 测试集11,200题、验证集280题、训练集269,359题；CMB-Clin 74例病案
Language / modality
Chinese / Text
Publisher
FreedomIntelligence（深圳市大数据研究院支持）
Year
2023
Expert review
Three physicians took part in human evaluation of CMB-Clin; not stated for the rest
Verification
Verified: license text seen

Commercial use of CMB (Chinese Medical Benchmark)

Commercial use: Yes. License status: Permissive.

Quoted statements and their sources are in CMB (Chinese Medical Benchmark) license evidence.

Verdicts record what sources state and are not legal advice.

Tags

Task format
Multiple-choice (single answer)

Quoted from the source- question_type: *multiple-choice (单项选择题)* or *multiple-answer (多项选择题)*Snapshot s01

Multiple-answer choice

Quoted from the source- question_type: *multiple-choice (单项选择题)* or *multiple-answer (多项选择题)*Snapshot s01

Open-ended QACMB-Clin
Intended use
Evaluation

Quoted from the sourcePlease use the following citation if you intend to use our dataset for training or evaluation:Snapshot s01

Fine-tuning

Quoted from the sourcePlease use the following citation if you intend to use our dataset for training or evaluation:Snapshot s01

Specialty
Multi-specialty

Quoted from the source# CMB: A Comprehensive Medical Benchmark in ChineseSnapshot s01

Annotation depth
With explanationsvalidation set (280)

Quoted from the source- CMB-val: 280 questions with solutions and explanations; used as source for CoT and few-shotSnapshot s01

Data format
JSON

Quoted from the sourcepath: CMB-Exam/CMB-test/CMB-test-choice-question-merge.jsonSnapshot s01

Official split
Train and test splits

Quoted from the source- CMB-test: 400 questions per subcategories, 11200 questions in totalSnapshot s01

Benchmark status
Public leaderboard

Quoted from the source## 🥇 LeaderboardSnapshot s01

Author-statedInferredHuman-confirmed

CMB (Chinese Medical Benchmark) license evidence 3

Code repository license: Apache-2.0. This licenses the repository, not the data. LICENSE file · verified s04

  1. Repository license filePage opened
    Apache-2.0
    Third-party text · Repository license fileApache License Version 2.0, January 2004

    GitHub repository license: Apache-2.0

    github.com2026-11-12 · s04
  2. Hugging Face card metadataPage opened
    Apache-2.0
    Third-party text · Hugging Face card metadatalicense: apache-2.0

    Hugging Face dataset card metadata: Apache-2.0

    huggingface.co2026-11-12 · s01
  3. READMEPage opened

    README has no separate data license [Note: No license statement seen in snapshot s03, s04, s05]

    github.com2026-11-12

Source and lineage

The page does not state where the questions come from; the paper title describes a comprehensive Chinese medical benchmark

No upstream or downstream datasets recorded.

Known issues with CMB (Chinese Medical Benchmark)

  • The page does not state the source of the exam questions
  • Sources include national medical licensing exam questions; in August 2026 the National Medical Examination Center issued a statement asserting copyright over past exam questions, so there is a source copyright risk

Preflight

Not run Runs only on ingested data; says nothing about quality.

Downloading CMB (Chinese Medical Benchmark) and API access

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

15 files · 187.5 MB

Citing CMB (Chinese Medical Benchmark)

Mdexa, CMB (Chinese Medical Benchmark), https://mdexa.com/datasets/cmb/, verified 2026-11-12.
More citation details

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

Machine-readable

cmb.jsoncmb.mdcatalog.json

Change log 7
2026-11-13Added specialty tags: multi-specialty(author-stated).
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: 11 (9 stated by the authors with excerpts, 2 inferred from the content). No conclusion changed.
2026-11-12Recorded the code repository license separately; it is not treated as a data license statement.
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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