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Net (Loss) / Income Per Share | 12 Months Ended
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Dec. 31, 2022
Earnings Per Share [Abstract] |
Net (Loss) / Income Per Share | 19. NET (LOSS)/INCOME PER SHARE
|  | As of December 31, |
|  | 2020 |  |  | 2021 |  |  | 2022 |
|  | RMB |  |  | RMB |  |  | RMB |
Numerator: |  |  |  |  |  |  |  |  |
Net (loss)/income attributable to Sunlands Technology Group used in basic and diluted net loss per share: |  |  |  |  |  |  |  |  |
Net (loss)/income attributable to ordinary shareholders |  |  | (430,542 | ) |  |  | 219,056 |  |  |  | 643,959 |
Denominator: |  |  |  |  |  |  |  |  |
Weighted average ordinary shares outstanding used in computing basic and diluted net (loss)/income per share |  |  | 6,754,134 |  |  |  | 6,727,552 |  |  |  | 6,840,079 |
Net (loss)/income per share |  |  |  |  |  |  |  |  |
Basic and diluted |  |  | (63.74 | ) |  |  | 32.56 |  |  |  | 94.14 |
39,225, 31,931 and 31,550 share options were not considered in the computation of diluted net (loss)/income per share for the years ended December 31, 2020, 2021 and 2022, as the effect of potential issuances of shares for share options was anti-dilutive.

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