Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the use in this Registration Statement on Form F-1 of So-Young International Inc. of our report dated March 14, 2019 relating to the financial statements of So-Young International Inc., which appears in this Registration Statement. We also consent to the reference to us under the heading “Experts” in such Registration Statement.

/s/ PricewaterhouseCoopers Zhong Tian LLP

Beijing, the People’s Republic of China

April 8, 2019