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Exhibit 32.1

CERTIFICATION PURSUANT TO 18 U.S.C. SECTION
1350,AS ADOPTED PURSUANT TOSECTION 906 OF THE
SARBANES-OXLEY ACT OF 2002

In connection with the Annual Report of China Information
Security Technology, Inc. (the "Company") on Form 10-K for the period ended
December 31, 2009 as filed with the Securities and Exchange Commission on the
date hereof (the "Report"), I, Jiang Huai Lin, the Chief Executive Officer of
the Company, certify, pursuant to 18 U.S.C. § 1350, as adopted pursuant to § 906
of the Sarbanes-Oxley Act of 2002, that:

|(1) | The Report fully complies with the requirements of
      Section 13(a) or 15(d) of the Securities Exchange Act of 1934;
  and                                  
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|(2) | The information contained in the Report fairly presents,
      in all material respects, the financial condition and result of operations
      of the Company.

/s/ Jiang Huai
LinJiang Huai LinChief Executive Officer (Principal Executive
Officer)

March 5, 2010

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|A signed original of this written statement required by
      Section 906 has been provided to China Information Security Technology,
      Inc. and will be retained by China Information Security Technology, Inc.
      and furnished to the Securities and Exchange Commission or its staff upon
      request.                                                                                                                                             
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|The forgoing certification is being furnished to the
      Securities and Exchange Commission pursuant to § 18 U.S.C. Section 1350.
      It is not being filed for purposes of Section 18 of the Securities
      Exchange Act of 1934, as amended, and is not to be incorporated by
      reference into any filing of the Company, whether made before or after the
      date hereof, regardless of any general incorporation language in such
      filing.
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