Cover - USD ($)	12 Months Ended
	Dec. 31, 2024	Jun. 24, 2025	Sep. 30, 2024
Cover [Abstract]
Document Type	10-K
Amendment Flag	false
Document Annual Report	true
Document Transition Report	false
Document Period End Date	Dec. 31, 2024
Document Fiscal Period Focus	FY
Document Fiscal Year Focus	2024
Current Fiscal Year End Date	--12-31
Entity File Number	000-56252
Entity Registrant Name	HONG YUAN HOLDING GROUP
Entity Central Index Key	0001324759
Entity Tax Identification Number	91-2154289
Entity Incorporation, State or Country Code	NV
Entity Address, Address Line One	No. 3, 21st Floor,
Entity Address, Address Line Two	Building 1, No. 176,
Entity Address, Address Line Three	Jiqing 1st Road,
Entity Address, City or Town	Chengdu
Entity Address, Country	CN
Entity Address, Postal Zip Code	610094
City Area Code	+86
Local Phone Number	19382185278
Title of 12(g) Security	Common Stock, $0.001 Par Value
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	No
Entity Interactive Data Current	No
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Public Float			$ 11,407
Entity Common Stock, Shares Outstanding		74,640,766
ICFR Auditor Attestation Flag	true
Document Financial Statement Error Correction [Flag]	false
Auditor Name	Aloba, Awomolo & Partners
Auditor Firm ID	7275
Auditor Location	Ibadan, Nigeria