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v3.21.1

Additional Information - Condensed Financial Statements of the Parent Company - Condensed statements of operations and comprehensive loss (Details) ¥ in Thousands, $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 USD ($) | Dec. 31, 2020 CNY (¥) | Dec. 31, 2019 CNY (¥) | Dec. 31, 2018 CNY (¥)
Operating Expenses [Abstract] |  |  |  |
Selling and marketing expenses | $ 42,861 | ¥ 279,665 | ¥ 572,040 | ¥ 432,059
General and administrative expenses | 15,145 | 98,820 | 103,890 | 84,360
Research and development expenses | 5,252 | 34,267 | 43,339 | 19,262
Total operating expenses | 63,258 | 412,752 | 719,269 | 535,681
Net loss attributable to ordinary shareholders | (25,056) | (163,478) | (251,299) | (78,700)
Accretions to preferred shares redemption value |  |  |  | 35,066
Net loss | (24,988) | (163,034) | (250,640) | (113,766)
Foreign currency translation adjustments, net of nil tax | (1,050) | (6,853) | 8,416 | 3,401
Reportable Legal Entities Member | Parent Company [Member] |  |  |  |
Operating Expenses [Abstract] |  |  |  |
Selling and marketing expenses | 34 | 219 | (256) | (1,511)
General and administrative expenses | (1,761) | (11,492) | (19,801) | (12,936)
Research and development expenses | 36 | 232 | (422) | (84)
Total operating expenses | (1,691) | (11,041) | (20,479) | (14,531)
Interest (expenses)/income, net | 217 | 1,425 | 6,142 | (1,470)
Change in fair value of warrant |  |  |  | (3,843)
Equity in loss of subsidiaries, VIEs and subsidiaries of VIEs | (23,596) | (153,967) | (235,804) | (58,864)
Others, net | 84 | 549 | (499) | 8
Net loss attributable to ordinary shareholders | (24,986) | (163,034) | (250,640) | (78,700)
Accretions to preferred shares redemption value |  |  |  | (35,066)
Net loss | (24,986) | (163,034) | (250,640) | (113,766)
Foreign currency translation adjustments, net of nil tax | (1,050) | (6,853) | 8,416 | 3,401
TuanChe Limited's shareholders | $ (26,036) | ¥ (169,887) | ¥ (242,224) | ¥ (110,365)

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