CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS - USD ($)	3 Months Ended		9 Months Ended
	Jan. 31, 2022	Jan. 31, 2021	Jan. 31, 2022	Jan. 31, 2021
Details
Revenues	$ 10,998,265	$ 4,230,453	$ 27,374,849	$ 13,449,457
Revenues - related parties	0	2,756,224	0	5,010,742
Total revenues	10,998,265	6,986,677	27,374,849	18,460,199
Cost of revenues	10,214,577	3,871,941	25,778,953	13,126,635
Cost of revenues - related parties	0	3,431,319	0	5,587,081
Total cost of revenues	10,214,577	7,303,260	25,778,953	18,713,716
Gross profit	783,688	(316,583)	1,595,896	(253,517)
Operating expenses
Selling expenses	627,172	480,221	1,375,961	1,047,702
General and administrative expenses	710,877	440,744	1,652,530	1,086,304
Research and development expenses	840,814	541,733	1,988,894	974,300
Total operating expenses, net	2,178,863	1,462,698	5,017,385	3,108,306
Loss from operations	(1,395,175)	(1,779,281)	(3,421,489)	(3,361,823)
Other income (expenses)
Other income (expenses)	(21,136)	80,151	(447,107)	78,964
Grant income	0	11	0	587
Interest income	224	170	2,366	663
Interest expense - income (expenses): related parties	(101,176)	(5,391)	(255,767)	(27,065)
Interest expense	(43,230)	(56,506)	(81,386)	(166,450)
Total other income (expenses)	(165,318)	18,435	(781,894)	(113,301)
Loss operations before income taxes	(1,560,493)	(1,760,846)	(4,203,383)	(3,475,124)
Provision for income taxes	0	0	0	0
Net loss	(1,560,493)	(1,760,846)	(4,203,383)	(3,475,124)
Less: net loss attributable to noncontrolling interest	(602,387)	(681,222)	(1,616,222)	(1,329,521)
Net loss attributable to Sunwin Stevia International, Inc	(958,106)	(1,079,624)	(2,587,161)	(2,145,603)
Comprehensive income (loss)
Net loss	(958,106)	(1,079,624)	(2,587,161)	(2,145,603)
Foreign currency translation adjustment	43,344	419,713	115,560	1,110,686
Total comprehensive loss	(914,762)	(659,911)	(2,471,601)	(1,044,917)
Less: comprehensive gain attributable to noncontrolling interest	15,234	153,777	41,107	405,723
Comprehensive loss attributable to Sunwin Stevia International, Inc	$ (929,996)	$ (813,688)	$ (2,512,708)	$ (1,450,640)
Earnings per common share attributable to Sunwin Stevia International, Inc
Net loss per common share attributable to Sunwin Stevia International, Inc. - basic and diluted	$ (0.00)	$ (0.01)	$ (0.01)	$ (0.01)
Weighted average common shares outstanding - basic and diluted	199,632,803	199,632,803	199,632,803	199,632,803