Summary of Principal Accounting Policies (Details 2) - USD ($)	3 Months Ended				9 Months Ended			12 Months Ended
	Nov. 30, 2019	Aug. 31, 2019	May 31, 2019	Nov. 30, 2018	Nov. 30, 2019	Nov. 30, 2019	Nov. 30, 2018	Feb. 28, 2019
Cost of revenue	$ (2,255,274)			$ (435,444)	$ (4,939,664)		$ (639,497)
Gross Profit	437,460			88,981	725,815		144,345
Amortization & depreciation	(11,855)			(87)	(34,200)		(85,678)
General & administrative expenses	(990,375)			(130,732)	(3,046,700)		(592,853)
Total operating expenses	(1,002,230)			(130,819)	(3,080,900)		(678,531)
Net loss from operations	564,770			41,838	2,355,085		534,186
Other income (expense):
Interest income	334				1,106
Other income	67,797			853	93,387		853
Interest expense	(145)			(9,353)	(4,798)		(23,207)
Total other income	68,077			(380,832)	79,217		(402,136)
Net Loss	$ (496,694)	$ (766,549)	$ (1,012,626)	$ (422,670)	(2,275,868)		$ (936,322)	$ (2,912,875)
Variable Interest Entity [Member]
Revenue					1,754,793
Cost of revenue					(1,513,799)
Gross Profit					240,994
Amortization & depreciation					(33,384)
General & administrative expenses					(955,240)
Total operating expenses					(988,624)
Net loss from operations					(747,630)
Other income (expense):
Interest income					894
Other income					441,840
Interest expense					(616)
Total other income					442,118
Net Loss					$ (305,512)
Variable Interest Entity Subsidiary [Member]
Revenue						$ 3,910,686
Cost of revenue						(3,425,864)
Gross Profit						484,822
Amortization & depreciation
General & administrative expenses						(130,852)
Total operating expenses						(130,852)
Net loss from operations						353,970
Other income (expense):
Interest income						182
Other income						9,842
Interest expense
Total other income						10,024
Net Loss						$ 363,994