April 4, 2006 SECURITIES & EXCHANGE COMMISSION 450 Fifth Street, NW Washington, DC 20549 Attn.: Document Control RE: American Depositary Shares evidenced by the American Depositary Receipts for Ordinary Shares, par value USD0.01 each of Ctrip.Com International, Ltd. (File No. 333110459) Ladies and Gentlemen: Pursuant to Rule 424(b) (3) under the Securities Act of 1933, as amended, on behalf of The Bank of New York, as Depositary for securities against which American Depositary Receipts (ADRs) are to be issued, we attach a copy of the new prospectus (Prospectus) reflecting the change in the number of American Depositary Shares represented by ordinary shares (the Ratio). As required by Rule 424(e), the upper right hand corner of the Prospectus cover page has a reference to Rule 424(b) (3) and to the file number of the registration statement to which the Prospectus relates. Pursuant to Section III B of the General Instructions to the Form F6 Registration Statement, the Prospectus consists of the ADR certificate for Ctrip.Com International, Ltd. The Prospectus has been revised to reflect the new Ratio, and has been overstamped with: Effective April 10, 2006, the ratio on the American Depositary Share (ADS) evidenced by American Depositary Receipt (ADR) will be changed from one (1) ADS representing two (2) Deposited Shares to one (1) ADS representing one (1) Deposited Share. Attached to this letter is a copy of a letter from Ctrip.Com International, Ltd. to The Bank of New York requesting that the Ratio be changed. Please contact me with any questions or comments at (954) 2555137. By: /s/ SAMMY PEERMAL Name: Sammy Peermal Title: Vice President Encl. 6759341