Exhibit 15.2

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27 March 2026

BY EMAIL

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nick.hoffman@harneys.com

chai.ridgers@harneys.com

+1 345 815 2916 / +44 1534 871 128

CAR/NXH/054067.0001

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Luckin Coffee Inc.

Conyers Trust Company (Cayman) Limited

Cricket Square, Hutchins Drive

P.O. Box 2681

Grand Cayman, KY1-1111

Cayman Islands

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Dear Sir or Madam

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Luckin Coffee Inc. (the Company) - Annual Report on Form 20-F

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We hereby consent to the filing of this letter as an exhibit to the Company’s annual report on Form 20-F for the year ended 31 December 2025 with the U.S. Securities and Exchange Commission. We confirm that we do not have any objections with (i) the Cayman Islands law advice under the heading “4.B. Business Overview” sub-heading “Enforceability of Civil Liabilities,” (ii) the Cayman Islands Taxation advice under the heading “10.E. Taxation” sub-heading “Cayman Islands Taxation,” and (iii) the statement under the heading “Item 16.G. Corporate Governance” in the annual report. We further consent to the incorporation by reference of the summaries of our opinions under these headings into Luckin Coffee Inc.’s registration statement on Form S-8 (File No. 333-232089) that was filed on June 13, 2019 and the registration statement on Form S-8 (File No. 333-260577) that was filed on October 29, 2021.

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