[PROSPECTUS (Subject to Completion) Issued May 6, 2014 8,000,000 American Depositary Shares Tuniu Corporation REPRESENTING 24,000,000 CLASS A ORDINARY SHARES US$ US$ US$ Tuniu Corporation is offering 7,380,000 American depositary shares, or ADSs, and the selling shareholders are offering 620,000 ADSs. Each ADS represents three Class A ordinary shares, par value US$ Upon completion of this offering, we will have] [[8,000,000] American Depository Shares Each Representing Three Class A Ordinary Shares, Par Value US$0.0001 Per Share TUNIU CORPORATION UNDERWRITING AGREEMENT Morgan Stanley & Co. International plc 25 Cabot Square, Canary Wharf London, E14 4QA United Kingdom Credit Suisse Securities (USA) LLC Eleven Madison Avenue New York, N.Y. 10010 China Renaissance Securities (Hong Kong) Limited Unit 901, Agricultural Bank of China] [CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We hereby consent to the use in this Registration Statement on Form F-1 of Tuniu Corporation of our report dated March 6, 2014, except for the stock option grant, the adoption of the 2014 Share Incentive Plan, the private placement and the modifications to the Company’s Memorandum and Articles of Association and Series]