CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS - USD ($)	3 Months Ended		6 Months Ended
	Oct. 31, 2021	Oct. 31, 2020	Oct. 31, 2021	Oct. 31, 2020
Details
Revenues	$ 10,108,124	$ 3,931,149	$ 16,376,584	$ 9,219,004
Revenues - related parties	0	502,695	0	2,254,518
Total revenues	10,108,124	4,433,844	16,376,584	11,473,522
Cost of revenues	10,178,745	3,991,702	15,564,376	9,254,694
Cost of revenues - related parties	0	546,254	0	2,155,762
Total cost of revenues	10,178,745	4,537,956	15,564,376	11,410,456
Gross profit	(70,621)	(104,112)	812,208	63,066
Operating expenses:
Selling expenses	379,977	256,566	748,789	567,481
General and administrative expenses	527,010	172,384	941,653	645,560
Research and development expenses	792,367	71,129	1,148,080	432,567
Total operating expenses, net	1,699,354	500,079	2,838,522	1,645,608
Loss from operations	(1,769,975)	(604,191)	(2,026,314)	(1,582,542)
Other income (expenses):
Other expenses	(2,864)	(2,252)	(425,971)	(1,187)
Grant income	0	10	0	576
Interest income	490	262	2,142	493
Interest expense - related party	(95,842)	(4,867)	(154,591)	(21,674)
Interest expense	(24,582)	(47,413)	(38,156)	(109,944)
Total other expenses	(122,798)	(54,260)	(616,576)	(131,736)
Loss operations before income taxes	(1,892,773)	(658,451)	(2,642,890)	(1,714,278)
Provision for income taxes	0	0	0	0
Net loss	(1,892,773)	(658,451)	(2,642,890)	(1,714,278)
Less: net loss attributable to noncontrolling interest	(723,911)	(255,071)	(1,013,835)	(648,299)
Net loss attributable to Sunwin Stevia International, Inc.	(1,168,862)	(403,380)	(1,629,055)	(1,065,979)
Comprehensive income (loss):
Net loss	(1,168,862)	(403,380)	(1,629,055)	(1,065,979)
Foreign currency translation adjustment	62,183	549,797	72,216	680,973
Total comprehensive income (loss)	(1,106,679)	146,417	(1,556,839)	(385,006)
Less: comprehensive gain attributable to noncontrolling interest	22,181	203,417	25,873	251,946
Comprehensive loss attributable to Sunwin Stevia International, Inc.	$ (1,128,860)	$ (57,000)	$ (1,582,712)	$ (636,952)
Earnings per common share attributable to Sunwin Stevia International, Inc.:
Net loss per common share attributable to Sunwin Stevia International, Inc. - basic and diluted	$ (0.01)	$ (0.00)	$ (0.01)	$ (0.01)
Weighted average common shares outstanding - basic and diluted	199,632,803	199,632,803	199,632,803	199,632,803