Exhibit 8.1

List of Significant and Other Principal Subsidiaries and Variable Interest Entity of the Registrant

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Subsidiaries

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Name of Subsidiary	​ ​ ​	Jurisdiction of Incorporation
China The9 Interactive Limited	​	Hong Kong
9City Asia Limited	​	Hong Kong
China Crown Technology Limited	​	Hong Kong
Hui Ling Computer Technology Consulting (Shanghai) Co., Ltd	​	China
Jiu Tuo (Shanghai) Information Technology Ltd.	​	China
Shanghai Jiugang Electronic Technology Co., Ltd.	​	China
NBTC Limited	​	Hong Kong
Hangzhou Niuxin Technology Co., Ltd.	​	China

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Variable interest entity and its subsidiaries

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Name of Variable Interest Entity and its Subsidiary	​ ​ ​	Jurisdiction of Incorporation
Shanghai The9 Information Technology Co., Ltd.	​	China

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