Exhibit 31.1
I, Richard L. Federico, certify that:
 1.  I have reviewed this annual report on Form 10-K/A ofP.F. Chang’s China Bistro, Inc.;  2.  Based on my knowledge, this report does not containany untrue statement of a material fact or omit to state a material factnecessary to make the statements made, in light of the circumstancesunder which such statements were made, not misleading with respect to theperiod covered by this report;  3.  Based on my knowledge, the financial statements,and other financial information included in this report, fairly presentin all material respects the financial condition, results of operationsand cash flows of the registrant as of, and for, the periods presented inthis report;  4.  The registrant’s other certifying officer(s) and Iare responsible for establishing and maintaining disclosure controls andprocedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) andinternal control over financial reporting (as defined in Exchange ActRules 13a-15(f) and 15d-15(f)) for the registrant and have:
 a.  Designed such disclosure controls andprocedures, or caused such disclosure controls and procedures tobe designed under our supervision, to ensure that materialinformation relating to the registrant, including its consolidatedsubsidiaries, is made known to us by others within those entities,particularly during the period in which this report is beingprepared;  b.  Designed such internal control overfinancial reporting, or caused such internal control overfinancial reporting to be designed under our supervision, toprovide reasonable assurance regarding the reliability offinancial reporting and the preparation of financial statementsfor external purposes in accordance with generally acceptedaccounting principles;  c.  Evaluated the effectiveness of theregistrant’s disclosure controls and procedures and presented inthis report our conclusions about the effectiveness of thedisclosure controls and procedures, as of the end of the periodcovered by this report based on such evaluation; and  d.  Disclosed in this report any changein the registrant’s internal control over financial reporting thatoccurred during the registrant’s most recent fiscal quarter (theregistrant’s fourth fiscal quarter in the case of an annualreport) that has materially affected, or is reasonably likely tomaterially affect, the registrant’s internal control overfinancial reporting; and
 5.  The registrant’s other certifying officer(s) and Ihave disclosed, based on our most recent evaluation of internal controlover financial reporting, to the registrant’s auditors and the auditcommittee of the registrant’s board of directors (or persons performingthe equivalent functions):
 a.  All significant deficiencies andmaterial weaknesses in the design or operation of internal controlover financial reporting which are reasonably likely to adverselyaffect the registrant’s ability to record, process, summarize andreport financial information; and  b.  Any fraud, whether or not material,that involves management or other employees who have a significantrole in the registrant’s internal control over financialreporting.   Date: April 18, 2005 /s/ RICHARD L.FEDERICO                Chairman and Chief Executive Officer