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                      Secuirities and Exchange Commission
                             Washington, D.C. 20549

                                    FORM 6-K


                            REPORT OF FOREIGN ISSUER

                      Pursuant to Rule 13a-16 or 15d-16 of
                       the Securities Exchange Act of 1934

                          For the month of August, 2007

                         Commission File Number 1-33208


                        SOLARFUN POWER HOLDINGS CO., LTD


                                666 Linyang Road
                         Qidong, Jiangsu Province 226200
                           People's Republic of China
                    (Address of Principal Executive Offices)

    (Indicate   by check mark whether the registrant files or will file annual
                reports under cover of Form 20-F or Form 40-F.)

                            Form 20-F |X| Form 40-F |_|

      (Indicate by check mark if the registrant is submitting the Form 6-K in
            paper as permitted by Regulation S-T Rule 101(b)(1).)

                                  Yes |_| No |X|

      (Indicate by check mark if the registrant is submitting the Form 6-K in
            paper as permitted by Regulation S-T Rule 101(b)(7).)

                                  Yes |_| No |X|

        (Indicate by check mark whether the registrant by furnishing the
       information contained in this Form is also thereby furnishing the
       information to the Commission pursuant to Rule 12g3-2(b) under the
                       Securities Exchange Act of 1934.)

                                  Yes |_| No |X|

       (If "Yes" is marked, indicate below the file number assigned to the
              registrant in connection with Rule 12g3-2(b): 82- )

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Solarfun Power Holdings Co., Ltd. (the "Registrant") is furnishing under the
cover of Form 6-K:

99.1 Press release, dated August 20, 2007, regarding Solarfun Reports Second
Quarter 2007 Results




                                    SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the
registrant has duly caused this report to be signed on its behalf by the
undersigned, thereunto duly authorized.

                                         SOLARFUN POWER HOLDINGS CO., LTD



                                         By: /s/ Mr. Yonghua Lu
                                             -----------------------------------
                                             Name:  Mr. Yonghua Lu
                                             Title: Chairman and CEO

Date: August 20, 2007