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CONSOLIDATED STATEMENTS OF INCOME/(LOSS) AND COMPREHENSIVE INCOME/(LOSS) | 12 Months Ended
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Dec. 31, 2017 USD ($) $ / shares shares | Dec. 31, 2017 CNY (¥) ¥ / shares shares | Dec. 31, 2016 CNY (¥) ¥ / shares shares | Dec. 31, 2015 CNY (¥) ¥ / shares shares
Revenues: |  |  |  |
Accommodation reservation | $ 1,462,793,652 | ¥ 9,517,374,339 | ¥ 7,308,958,863 | ¥ 4,616,649,394
Transportation ticketing | 1,878,337,918 | 12,221,029,997 | 8,826,516,571 | 4,453,885,749
Packaged-tour | 456,539,574 | 2,970,383,429 | 2,310,198,894 | 1,667,945,350
Corporate travel | 115,767,626 | 753,218,904 | 608,122,125 | 473,245,440
Others | 232,847,977 | 1,514,978,795 | 734,290,185 | 285,220,475
Total revenues | 4,146,286,747 | 26,976,985,464 | 19,788,086,638 | 11,496,946,408
Less: Sales tax and surcharges | (30,332,823) | (197,354,446) | (559,646,824) | (599,378,347)
Net revenues | 4,115,953,924 | 26,779,631,018 | 19,228,439,814 | 10,897,568,061
Cost of revenues | (719,027,574) | (4,678,209,103) | (4,729,750,192) | (3,043,439,819)
Gross profit | 3,396,926,350 | 22,101,421,915 | 14,498,689,622 | 7,854,128,242
Operating expenses: |  |  |  |
Product development | (1,269,420,793) | (8,259,232,508) | (7,687,421,506) | (3,296,692,936)
Sales and marketing | (1,274,793,121) | (8,294,186,482) | (5,860,927,432) | (3,087,989,953)
General and administrative | (402,968,259) | (2,621,832,381) | (2,518,819,170) | (1,088,402,408)
Total operating expenses | (2,947,182,173) | (19,175,251,371) | (16,067,168,108) | (7,473,085,297)
Income/(loss) from operations | 449,744,177 | 2,926,170,544 | (1,568,478,486) | 381,042,945
Interest income | 151,792,880 | 987,610,015 | 567,144,610 | 445,767,036
Interest expense | (197,698,232) | (1,286,284,010) | (731,922,838) | (302,425,829)
Other income /(expense) | 135,099,540 | 878,998,137 | (26,848,287) | 2,480,979,830
Income/(loss) before income tax expense, equity in income of affiliates and non-controlling interests | 538,938,365 | 3,506,494,686 | (1,760,105,001) | 3,005,363,982
Income tax expense | (196,812,834) | (1,280,523,340) | (478,009,033) | (470,188,423)
Equity in income / (loss) of affiliates | (10,008,156) | (65,116,066) | 601,883,179 | (135,780,312)
Net income/(loss) | 332,117,375 | 2,160,855,280 | (1,636,230,855) | 2,399,395,247
Net loss/(income) attributable to non-controlling interests | (2,896,230) | (18,843,743) | 205,527,660 | 108,260,637
Net income/(loss) attributable to Ctrip.com International, Ltd. | 329,221,145 | 2,142,011,537 | (1,430,703,195) | 2,507,655,884
Net income/(loss) | 332,117,375 | 2,160,855,280 | (1,636,230,855) | 2,399,395,247
Other comprehensive income: |  |  |  |
Foreign currency translation | 111,173,828 | 723,330,274 | (323,581,599) | (489,917,917)
Unrealized securities holding gains, net of tax | 720,154,951 | 4,685,544,158 | 914,529,809 | 606,415,822
Reclassification adjustment for net gain recognized on disposal of available-for-sale investments | (6,140,402) | (39,951,298) | (140,651,759) |
Total comprehensive income/(loss) | 1,157,305,752 | 7,529,778,414 | (1,185,934,404) | 2,515,893,152
Comprehensive loss/ (income) attributable to non-controlling interests | (2,896,230) | (18,843,743) | 205,527,660 | 108,260,637
Comprehensive income/(loss) attributable to Ctrip.com International, Ltd. | $ 1,154,409,522 | ¥ 7,510,934,671 | ¥ (980,406,744) | ¥ 2,624,153,789
Weighted average ordinary shares outstanding |  |  |  |
- Basic shares (in shares) | 66,300,808 | 66,300,808 | 59,166,582 | 37,797,698
- Diluted shares (in shares) | 71,775,893 | 71,775,893 | 59,166,582 | 47,375,248
Product development |  |  |  |
Share-based compensation included in Operating expense above is as follows: |  |  |  |
Share-based compensation | $ 155,656,289 | ¥ 1,012,746,515 | ¥ 2,079,514,506 | ¥ 291,642,931
Sales and marketing |  |  |  |
Share-based compensation included in Operating expense above is as follows: |  |  |  |
Share-based compensation | 28,554,724 | 185,785,599 | 392,641,663 | 65,574,256
General and administrative |  |  |  |
Share-based compensation included in Operating expense above is as follows: |  |  |  |
Share-based compensation | $ 97,640,747 | ¥ 635,279,991 | ¥ 1,087,562,537 | ¥ 285,379,287
Ordinary shares |  |  |  |
Earnings/(loss) per ordinary share/ADS |  |  |  |
- Basic (in RMB or dollars per share) | (per share) | $ 4.97 | ¥ 32.31 | ¥ (24.18) | ¥ 66.34
- Diluted (in RMB or dollars per share) | (per share) | 4.70 | 30.57 | (24.18) | 56.85
ADS |  |  |  |
Earnings/(loss) per ordinary share/ADS |  |  |  |
- Basic (in RMB or dollars per share) | (per share) | 0.62 | 4.04 | (3.02) | 8.29
- Diluted (in RMB or dollars per share) | (per share) | $ 0.59 | ¥ 3.82 | ¥ (3.02) | ¥ 7.11

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