Exhibit 8.1

List of Principal Subsidiaries and Consolidated Variable Interest Entities

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Subsidiaries

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Place of Incorporation

Zhihu Technology (HK) Limited

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Hong Kong

Zhizhe Sihai (Beijing) Technology Co., Ltd.

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PRC

Beijing Zhihu Network Technology Co., Ltd.

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PRC

Wuhan Bofeng Technology Co., Ltd.

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PRC

Wuhan Zhihu Network Technology Co., Ltd.

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PRC

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Consolidated Variable Interest Entities

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Place of Incorporation

Beijing Zhizhe Tianxia Technology Co., Ltd.

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PRC

Shanghai Pinzhi Education Technology Co., Ltd.

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PRC

Wuhan Xinyue Network Technology Co., Ltd.

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PRC

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Consolidated Variable Interest Entities’ Subsidiary

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Place of Incorporation

Wuhan Zhibo Wenshuo Technology Co., Ltd.

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PRC

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