v3.26.1
Cover
 12 Months Ended
Dec. 31, 2025
shares
Document Information [Line Items]  
Document Type 20-F
Document Registration Statement false
Document Annual Report true
Document Transition Report false
Document Financial Statement Error Correction [Flag] false
Document Shell Company Report false
Entity Interactive Data Current Yes
Document Accounting Standard U.S. GAAP
ICFR Auditor Attestation Flag false
Amendment Flag false
Document Period End Date Dec. 31, 2025
Document Fiscal Year Focus 2025
Document Fiscal Period Focus FY
Entity Information [Line Items]  
Entity Registrant Name VisionSys AI Inc
Entity Central Index Key 0001592560
Entity File Number 001-36363
Entity Incorporation, State or Country Code E9
Current Fiscal Year End Date --12-31
Entity Well-known Seasoned Issuer No
Entity Voluntary Filers No
Entity Current Reporting Status Yes
Entity Shell Company false
Entity Filer Category Non-accelerated Filer
Entity Emerging Growth Company false
Entity Contact Personnel [Line Items]  
Entity Address, Address Line One Room 1501, 15F, Building A2
Entity Address, Address Line Two Yanjing Headquarters BaseYanjiao
Entity Address, Address Line Three Sanhe City
Entity Address, City or Town Langfang
Entity Address, Country CN
Entity Address, Postal Zip Code 065201
American Depositary Shares, each representing 250 Class A ordinary shares, par value US$0.001 per share  
Entity Listings [Line Items]  
Title of 12(b) Security American Depositary Shares, each
Trading Symbol VSA
Security Exchange Name NASDAQ
Class A ordinary shares, par value US$0.001 per share  
Entity Listings [Line Items]  
Title of 12(b) Security Class A ordinary shares
No Trading Symbol Flag true
Security Exchange Name NASDAQ
Class A Ordinary Shares  
Entity Listings [Line Items]  
Entity Common Stock, Shares Outstanding 560,023,829
Class B Ordinary Shares  
Entity Listings [Line Items]  
Entity Common Stock, Shares Outstanding 7,206,059
Business Contact [Member]  
Entity Contact Personnel [Line Items]  
Contact Personnel Name Tianlong Wang
Contact Personnel Email Address wtl2026@visysai.com
Entity Address, Address Line One Room 1501, 15F, Building A2
Entity Address, Address Line Two Yanjing Headquarters BaseYanjiao
Entity Address, Address Line Three Sanhe City
Entity Address, City or Town Langfang
Entity Address, Country CN
Entity Address, Postal Zip Code 065201
Entity Phone Fax Numbers [Line Items]  
City Area Code +86
Local Phone Number (0316)83318177