{"cik":1758530,"taxonomy":"us-gaap","tag":"NetIncomeLoss","label":"Net Income (Loss) Attributable to Parent","description":"The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.","entityName":"So-Young International Inc.","units":{"CNY":[{"start":"2017-01-01","end":"2017-12-31","val":17202000,"accn":"0001104659-20-051203","fy":2019,"fp":"FY","form":"20-F","filed":"2020-04-27","frame":"CY2017"},{"start":"2018-01-01","end":"2018-12-31","val":55083000,"accn":"0001104659-20-051203","fy":2019,"fp":"FY","form":"20-F","filed":"2020-04-27"},{"start":"2018-01-01","end":"2018-12-31","val":55083000,"accn":"0001104659-21-058062","fy":2020,"fp":"FY","form":"20-F","filed":"2021-04-30","frame":"CY2018"},{"start":"2019-01-01","end":"2019-12-31","val":176724000,"accn":"0001104659-20-051203","fy":2019,"fp":"FY","form":"20-F","filed":"2020-04-27"},{"start":"2019-01-01","end":"2019-12-31","val":176724000,"accn":"0001104659-21-058062","fy":2020,"fp":"FY","form":"20-F","filed":"2021-04-30"},{"start":"2019-01-01","end":"2019-12-31","val":176724000,"accn":"0001104659-22-054013","fy":2021,"fp":"FY","form":"20-F","filed":"2022-05-02","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":5807000,"accn":"0001104659-21-058062","fy":2020,"fp":"FY","form":"20-F","filed":"2021-04-30"},{"start":"2020-01-01","end":"2020-12-31","val":5807000,"accn":"0001104659-22-054013","fy":2021,"fp":"FY","form":"20-F","filed":"2022-05-02"},{"start":"2020-01-01","end":"2020-12-31","val":5807000,"accn":"0001104659-23-049253","fy":2022,"fp":"FY","form":"20-F","filed":"2023-04-25","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":-8371000,"accn":"0001104659-22-054013","fy":2021,"fp":"FY","form":"20-F","filed":"2022-05-02"},{"start":"2021-01-01","end":"2021-12-31","val":-8371000,"accn":"0001104659-23-049253","fy":2022,"fp":"FY","form":"20-F","filed":"2023-04-25"},{"start":"2021-01-01","end":"2021-12-31","val":-8371000,"accn":"0001104659-24-051493","fy":2023,"fp":"FY","form":"20-F","filed":"2024-04-25","frame":"CY2021"},{"start":"2022-01-01","end":"2022-12-31","val":-65554000,"accn":"0001104659-23-049253","fy":2022,"fp":"FY","form":"20-F","filed":"2023-04-25"},{"start":"2022-01-01","end":"2022-12-31","val":-65554000,"accn":"0001104659-24-051493","fy":2023,"fp":"FY","form":"20-F","filed":"2024-04-25"},{"start":"2022-01-01","end":"2022-12-31","val":-65554000,"accn":"0001410578-25-000800","fy":2024,"fp":"FY","form":"20-F","filed":"2025-04-18","frame":"CY2022"},{"start":"2023-01-01","end":"2023-12-31","val":21280000,"accn":"0001104659-24-051493","fy":2023,"fp":"FY","form":"20-F","filed":"2024-04-25"},{"start":"2023-01-01","end":"2023-12-31","val":21280000,"accn":"0001410578-25-000800","fy":2024,"fp":"FY","form":"20-F","filed":"2025-04-18"},{"start":"2023-01-01","end":"2023-12-31","val":21280000,"accn":"0001104659-26-047129","fy":2025,"fp":"FY","form":"20-F","filed":"2026-04-23","frame":"CY2023"},{"start":"2024-01-01","end":"2024-12-31","val":-589527000,"accn":"0001410578-25-000800","fy":2024,"fp":"FY","form":"20-F","filed":"2025-04-18"},{"start":"2024-01-01","end":"2024-12-31","val":-589527000,"accn":"0001104659-26-047129","fy":2025,"fp":"FY","form":"20-F","filed":"2026-04-23","frame":"CY2024"},{"start":"2025-01-01","end":"2025-12-31","val":-242301000,"accn":"0001104659-26-047129","fy":2025,"fp":"FY","form":"20-F","filed":"2026-04-23","frame":"CY2025"}],"USD":[{"start":"2019-01-01","end":"2019-12-31","val":25383000,"accn":"0001104659-20-051203","fy":2019,"fp":"FY","form":"20-F","filed":"2020-04-27","frame":"CY2019"},{"start":"2020-01-01","end":"2020-12-31","val":891000,"accn":"0001104659-21-058062","fy":2020,"fp":"FY","form":"20-F","filed":"2021-04-30","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":-1315000,"accn":"0001104659-22-054013","fy":2021,"fp":"FY","form":"20-F","filed":"2022-05-02","frame":"CY2021"},{"start":"2022-01-01","end":"2022-12-31","val":-9504000,"accn":"0001104659-23-049253","fy":2022,"fp":"FY","form":"20-F","filed":"2023-04-25","frame":"CY2022"},{"start":"2023-01-01","end":"2023-12-31","val":2997000,"accn":"0001104659-24-051493","fy":2023,"fp":"FY","form":"20-F","filed":"2024-04-25","frame":"CY2023"},{"start":"2024-01-01","end":"2024-12-31","val":-80764000,"accn":"0001410578-25-000800","fy":2024,"fp":"FY","form":"20-F","filed":"2025-04-18","frame":"CY2024"},{"start":"2025-01-01","end":"2025-12-31","val":-34649000,"accn":"0001104659-26-047129","fy":2025,"fp":"FY","form":"20-F","filed":"2026-04-23","frame":"CY2025"}]}}