Exhibit31.1


Certification
of Chief Executive Officer pursuant to 18 U.S.C. Section 1350, as adopted
pursuant to Section 302 of the Sarbanes-Oxley Act of 2002





I,
Yanbiao Bai, certify that:





1.
            I
      have reviewed this quarterly report on Form 10-Q/A of Cybrdi, Inc.





2.
            Based
      on my knowledge, this report does not contain any untrue statement of a
      material fact or omit to state a material fact necessary to make the
      statements made, in light of the circumstances made, not misleading with
      respect to the period covered by this quarterly
  report;





3.
            Based
      on my knowledge, the financial statements, and other financial information
      included in this report, fairly present in all material respects the
      financial condition, results of operations and cash flows of the issuer as
      of, and for, the periods presented in this
  report;





4.
            The
      issuer's other certifying officer(s) and I are responsible for
      establishing and maintaining disclosure controls and procedures (as
      defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and the internal
      control over financial reporting (as defined in Exchange Act Rule
      13a-15(f) and 15d-15(f) for the issuer and
have:





a.
Designed such disclosure controls and procedures, or caused such disclosure
controls and procedures to be designed under our supervision, to ensure that
material information relating to the issuer, including its consolidated
subsidiaries, is made known to us by others within those entities, particularly
during the period in which this report is being prepared;


b.
Designed such internal control over financial reporting, or caused such internal
control over financial reporting to be designed under our supervision, to
provide reasonable assurance regarding the reliability of financial reporting
and the preparation of financial statements for external purposes in accordance
with generally accepted accounting principals;


c.
Evaluated the effectiveness of the issuer's disclosure controls and procedures
and presented in this report our conclusions after the effectiveness of the
disclosure controls and procedures, as of the end of the period covered by this
report based on such evaluation; and




d.
Disclosed in this report any change in the issuer's internal control over
financial reporting that occurred during the issuer's most recent fiscal quarter
(the issuer's fourth fiscal quarter in the case of an annual report) that has
materially affected, or is reasonably likely to materially affect, the issuer's
internal control over financial reporting.





5.
            The
      issuers other certifying officer(s) and I have disclosed, based on our
      most recent evaluation of internal control over financial reporting, to
      the issuer's auditors and the audit committee of the issuer's board of
      directors (or persons performing the equivalent functions):





a. All
significant deficiencies in the design or operation of internal control over
financial reporting which are reasonably likely to adversely affect the issuer's
ability to record, process, summarize and report financial information;
and




b. Any
fraud, whether or not material, that involves management or other employees who
have a significant role in the issuer’s internal control over financial
reporting.





December
22, 2008


By:
            /s/
      Yanbiao BaiYanbiao
      Bai, Chief Executive Officer and
President