Document and Entity Information - USD ($)	12 Months Ended
	Apr. 30, 2020	Aug. 03, 2020	Oct. 31, 2019
Details
Registrant CIK	0000806592
Fiscal Year End	--04-30
Registrant Name	SUNWIN STEVIA INTERNATIONAL, INC.
SEC Form	10-K
Period End date	Apr. 30, 2020
Tax Identification Number (TIN)	56-2416925
Number of common stock shares outstanding		199,632,803
Public Float			$ 8,531,425
Filer Category	Non-accelerated Filer
Current with reporting	Yes
Interactive Data Current	Yes
Voluntary filer	No
Well-known Seasoned Issuer	No
Shell Company	false
Small Business	true
Emerging Growth Company	false
Document Annual Report	true
Entity File Number	000-53595
Entity Incorporation, State or Country Code	NV
Entity Address, Address Line One	6 SHENGWANG AVE.,
Entity Address, City or Town	QUFU, SHANDONG,
Entity Address, Country	CN
Entity Address, Postal Zip Code	273100
City Area Code	(86)
Local Phone Number	537-4424999
Amendment Flag	false
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	FY
Document Transition Report	false