Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in this Registration Statement on Form S-8 of our report dated April 9, 2021 relating to the financial statements of 17 Education & Technology Group Inc., appearing in the Annual Report on Form 20-F of 17 Education & Technology Group Inc. for the year ended December 31, 2020.

/s/ Deloitte Touche Tohmatsu Certified Public Accountants LLP

Beijing, the People’s Republic of China

April 30, 2021