Exhibits 15.4

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CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

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We hereby consent to the incorporation by reference in the Registration Statements on Form S-8 (No. 333-213457) and Form S-8 (No. 333-229055) of China Online Education Group of our report dated April 7, 2021 relating to the financial statements, which appears in this Form 20-F.

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