v3.26.1
Cover
 12 Months Ended
Dec. 31, 2025
¥ / shares
shares
Entity Addresses [Line Items]  
Document Type 20-F
Amendment Flag false
Document Registration Statement false
Document Annual Report true
Document Transition Report false
Document Shell Company Report false
Document Period End Date Dec. 31, 2025
Document Fiscal Period Focus FY
Document Fiscal Year Focus 2025
Current Fiscal Year End Date --12-31
Entity File Number 001-38649
Entity Registrant Name Viomi Technology Co., Ltd
Entity Central Index Key 0001742770
Entity Incorporation, State or Country Code E9
Entity Address, Address Line One Wansheng Square, Rm 1302 Tower C
Entity Address, Address Line Two Xingang East Road
Entity Address, Address Line Three Haizhu District
Entity Address, City or Town Guangdong
Entity Address, Country CN
Entity Address, Postal Zip Code 510220
Entity Well-known Seasoned Issuer No
Entity Voluntary Filers No
Entity Current Reporting Status Yes
Entity Interactive Data Current Yes
Entity Filer Category Non-accelerated Filer
Entity Emerging Growth Company false
Document Accounting Standard U.S. GAAP
Entity Shell Company false
Contact Personnel Email Address chenxp@viomi.com
ICFR Auditor Attestation Flag true
Document Financial Statement Error Correction [Flag] false
Auditor Firm ID 1171
Auditor Opinion [Text Block] We have audited the accompanying consolidated balance sheets of Viomi Technology Co., Ltd and its subsidiaries (the Company) as of December 31, 2024 and 2025, and the related consolidated statements of comprehensive (loss) income, changes in shareholders’ equity, and cash flows for each of the years in the three-year period ended December 31, 2025, and the related notes (collectively referred to as the financial statements). In our opinion, the financial statements present fairly, in all material respects, the financial position of the Company as of December 31, 2024 and 2025, and the results of its operations and its cash flows for each of the years in the three-year period ended December 31, 2025, in conformity with accounting principles generally accepted in the United States of America.
Auditor Name WWC, P.C.
Auditor Location San Mateo, California
Common Stock [Member]  
Entity Addresses [Line Items]  
Entity Common Stock, Shares Outstanding 201,965,189
American Depositary Shares Each Representing Three Class A Ordinary Shares  
Entity Addresses [Line Items]  
Title of 12(b) Security American depositary shares, each representing three Class A ordinary shares
Trading Symbol VIOT
Security Exchange Name NASDAQ
Class A Ordinary Shares Par Value Us 0.00001 Per Share [Member]  
Entity Addresses [Line Items]  
Title of 12(b) Security Class A ordinary shares, par value US$0.00001 per share
No Trading Symbol Flag true
Security Exchange Name NASDAQ
Common Class A [Member] | Common Stock [Member]  
Entity Addresses [Line Items]  
Entity Common Stock, Shares Outstanding 99,200,641
Entity Listing, Par Value Per Share | ¥ / shares ¥ 0.00001
Common Class B [Member] | Common Stock [Member]  
Entity Addresses [Line Items]  
Entity Common Stock, Shares Outstanding 102,764,548
Entity Listing, Par Value Per Share | ¥ / shares ¥ 0.00001
Business Contact [Member]  
Entity Addresses [Line Items]  
Entity Address, Address Line One Wansheng Square, Rm 1302 Tower C
Entity Address, Address Line Two Xingang East Road
Entity Address, Address Line Three Haizhu District
Entity Address, City or Town Guangdong
Entity Address, Country CN
Entity Address, Postal Zip Code 510220
Country Region +86
City Area Code 20
Local Phone Number 8930 9496
Contact Personnel Name Xiaoping Chen