TABLE OF CONTENTS As filed with the Securities and Exchange Commission on May 12, 2023 Registration No. 333-271221 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Amendment No. 1 to FORM F-1 2834 (Primary Standard Industrial Classification Code Number) Building No. 2, 38 Yongda Road Daxing Biomedical Industry Park Daxing District, Beijing, PRC Tel: +86-10 8920-2086 (Address, including zip code, and telephone number, including area code, of Registrant's principal executive offices) CO ...

Table of Contents FORM F-1 REGISTRATION STATEMENT Under The Securities Act of 1933 YS Biopharma Co., Ltd. (Exact name of Registrant as specified in its charter) Not Applicable (Translation of Registrant's name into English) 2834 (Primary Standard Industrial Classification Code Number) As filed with the Securities and Exchange Commission on April 12, 2023 Registration No. 333- UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Not Applicable (I.R.S. Employer Identification Number) Cayman ...