Exhibit 21.1

List of Principal Subsidiaries of the Registrant

Subsidiaries	Place of Incorporation
BR Hong Kong Limited	Hong Kong
Beijing Burning Rock Biotech Limited	China
Burning Rock Biotechnology (Shanghai) Co., Ltd.	China
VIE	Place of Incorporation
Burning Rock (Beijing) Biotechnology Co., Ltd.	China
Subsidiaries of the VIE	Place of Incorporation
Guangzhou Burning Rock Biotechnology Co., Ltd.	China
Guangzhou Burning Rock Medical Equipment Co., Ltd.	China
Guangzhou Burning Rock Dx Co., Ltd.	China