01Nature of Service & Medical Limits

Kenglu is a retrieval and Q&A service for public-domain Chinese medical classics. We have indexed over 550,000 passages from more than 1,000 classical titles, and respond to your question by restating the formula names, therapeutic methods, acupoints and source text recorded in those works, together with verifiable citations and alternative passages from other books.

All answers are restatements of historical literature. They are not a diagnosis, prescription or medication advice; no dosage or course of treatment is provided, and they do not replace a consultation with a licensed physician. Classical texts contain variants and historical limitations, and plain-language restatements may differ from the original — please open the source text to verify. We do not infer a disease or make a diagnosis from what you tell us.

02Services & Billing

• Natural-language Q&A on the web and in the app is free for individual users; features such as conversation sync, long-term memory and advertising require sign-in.
• The API Open Platform is billed per call. Unit prices, complimentary quota and balance rules are those published in the console. API keys carry scoped permissions and must be used within that scope.
• Advertisers may purchase first-answer or welcome-slot packages, priced by placement and period, and pay via WeChat Pay or Alipay. Creatives must pass category, length and prohibited-term checks and carry a legally required "Ad" label.
• Prices, packages and complimentary quotas may change; changes do not affect orders already paid.

03Accounts & API Credentials

You may sign in with a mobile-phone verification code or a phone number and password; the first sign-in creates an account. Keep your details accurate and safeguard your password, API keys and devices.

Accounts and API keys are personal, non-transferable and must not be published. If a credential is compromised, change your password and contact us. We may restrict, suspend or terminate accounts that breach law or these Terms; you may also request account deletion.

04Acceptable Use

When using the Platform you must not:

• scrape in bulk, mirror or dump the database, or bypass rate limits, authentication or billing by automated means;
• forge or alter citations, answers, order records or ad labels;
• use another person's account, API key or balance, or lend credentials to circumvent rules;
• generate content that violates law, endangers safety or infringes the rights of others;
• present Platform output as a medical diagnosis, prescription or dosing guidance;
• place advertisements prohibited by law, outside allowed categories, or not approved by review.

05Content & Intellectual Property

Classical source texts are in the public domain. We hold the relevant rights in our digitisation, segmentation, indexing, ranking, plain-language restatements, interface design and code.

You may quote search results for study and research provided that book and chapter citations are preserved. Bulk copying of the database, commercial redistribution of exported data, or claiming it as your own is not permitted.

Avatars, nicknames and advertising creatives you upload remain yours. You grant us the licence necessary to display, review and store them, and warrant that they are lawful and non-infringing.

06Advertising & Third-Party Payment

Advertisers are responsible for the truthfulness and legality of their creatives. We conduct a formal review under the Advertising Law of the PRC and the Measures for the Administration of Internet Advertising and display an "Ad" label; non-compliant creatives may be rejected or removed.

Payments are processed by licensed institutions such as Alipay and WeChat Pay; we do not handle card numbers or payment passwords. Order status is determined by the payment callback and our order records. Invoices, refunds and disputes follow the order page and our support team's handling.

07Disclaimers & Liability

The Platform is provided "as is". We do not warrant uninterrupted or error-free service or absolute accuracy, though we will make reasonable efforts to restore service after network, maintenance or third-party interruptions.

To the extent permitted by law, we are not liable for indirect, incidental or consequential losses arising from use of or inability to use the Platform. Nothing in this clause excludes liability that cannot be excluded by mandatory law.

08Changes & Termination

Updates will be published on this page with a revised "Last updated" date. Continued use constitutes acceptance; if you disagree, stop using the Platform and delete your account.

We may suspend part of the service for business adjustments, compliance requirements or force majeure, and will give reasonable advance notice where practicable.

09Governing Law & Disputes

These Terms are governed by the laws of the People's Republic of China. Disputes shall first be resolved through friendly negotiation; failing that, they shall be submitted to the people's court with jurisdiction at the place of our operating entity.

10Contact Us

Operator: Hainan Huawen Technology Co., Ltd.　|　Website: www.kenglu.com　|　ICP Filing: 琼ICP备2024046510号-7

For questions about these Terms, account or data-rights requests, business enquiries and support, email api@kenglu.com. We will reply within a reasonable period.