Document and Entity Information (USD $)	6 Months Ended
	Oct. 31, 2014	Dec. 19, 2014	Oct. 31, 2013
Document and Entity Information:
Entity Registrant Name	SUNWIN STEVIA INTERNATIONAL, INC.
Document Type	10-Q
Document Period End Date	Oct. 31, 2014
Amendment Flag	false
Entity Central Index Key	0000806592
Current Fiscal Year End Date	--04-30
Entity Common Stock, Shares Outstanding		173,882,803
Entity Public Float			$ 15,215,567
Entity Filer Category	Smaller Reporting Company
Entity Current Reporting Status	No
Entity Voluntary Filers	No
Entity Well-known Seasoned Issuer	No
Document Fiscal Year Focus	2015
Document Fiscal Period Focus	Q2