December 19, 2024 Jing An Chief Financial Officer Luckin Coffee Inc. 28th Floor, Building T3, Haixi Jingu Plaza, 1-3 Taibei Road Siming District, Xiamen City, Fujian People s Republic of China, 361008 Re: Luckin Coffee Inc. Form 20-F for Fiscal Year Ended December 31, 2023 File No. 001-38896 Dear Jing An: We have reviewed your filing and have the following comment(s). Please respond to this letter within ten business days by providing the requested information or advise us as soon as possible when you will respond. If you do not believe a comment applies to your facts and circumstances, please tell us why in your response. After reviewing your response to this letter, we may have additional comments. Form 20-F for Fiscal Year Ended December 31, 2023 5.A. Operating Results Non-GAAP Financial Measures, page 118 1. Please tell us what consideration you gave to providing for the income tax effects related to the adjustments to arrive at non-GAAP net (loss)/income and non-GAAP net (loss)/income attributable to your company s ordinary shareholders. Refer to Question 102.11 of the Non-GAAP Financial Measures Compliance and Disclosure Interpretations. This comment also applies to non-GAAP basic and diluted net income per shares and non-GAAP basic and diluted net income per ADS you present in your earnings releases. We remind you that the company and its management are responsible for the accuracy and adequacy of their disclosures, notwithstanding any review, comments, action or absence of action by the staff. December 19, 2024 Page 2 Please contact Valeria Franks at 202-551-7705 or Keira Nakada at 202-551-3659 with any questions. Sincerely, Division of Corporation Finance Office of Trade & Services