Document and Entity Information - USD ($)	12 Months Ended
	Jul. 31, 2017	Oct. 09, 2017	Jan. 31, 2017
Document And Entity Information
Entity Registrant Name	TIANCI INTERNATIONAL, INC.
Entity Central Index Key	0001557798
Amendment Flag	false
Current Fiscal Year End Date	--07-31
Document Type	10-K
Document Period End Date	Jul. 31, 2017
Document Fiscal Period Focus	FY
Document Fiscal Year Focus	2017
Is Entity a Well-known Seasoned Issuer?	No
Is Entity a Voluntary Filer?	No
Is Entity's Reporting Status Current?	Yes
Entity Filer Category	Smaller Reporting Company
Entity Public Float			$ 657,361
Entity Common Stock, Shares Outstanding		5,054,985