EXHIBIT 32.3

CERTIFICATION OF CHIEF FINANCIAL OFFICER

In connection with the Quarterly Report of P.F. Chang’s on Form 10-Q for the quarter ended July 4, 2010, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I Mark D. Mumford, Chief Financial Officer of P.F. Chang’s China Bistro, Inc. (the “Registrant”), certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to 906 of the Sarbanes-Oxley Act of 2002, that, to the best of my knowledge:

1) The Report fully complies with the requirements of section 13(a) of the Securities Exchange Act of 1934 (15 U.S.C. 78m); and

2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Registrant.

July 28, 2010	/s/ MARK D. MUMFORD
	Mark D. Mumford
	Chief Financial Officer