Unaudited Condensed Consolidated Statements of Operations and Comprehensive Loss - USD ($)	3 Months Ended
	Oct. 31, 2023	Oct. 31, 2022
Income Statement [Abstract]
Revenues	$ 125,000	$ 300,000
Operating expenses:
Selling expenses	72,000	5,000
General and administrative expenses	709,779	562,896
Total operating expenses	781,779	567,896
Loss from operations	(656,779)	(267,896)
Other income (expenses):
Interest income, net		59,847
Other income (expenses), net	140,720	59,500
Loss from investment in trading securities	(109,404)	(20,004)
Gain from disposal of subsidiaries		56,038
Total other income, net	31,316	155,381
Loss before income taxes	(625,463)	(112,515)
Income tax provision
Net loss and comprehensive loss	$ (625,463)	$ (112,515)
Loss Per share – basic (in Dollars per share)	$ (0.06)	$ (0.01)
Weighted Average Shares Outstanding
Basic (in Shares)	9,627,452	9,627,452