Exhibit 8.1

List of Significant Subsidiaries and VIEs

Subsidiaries	Place of Incorporation
Conew.com Corporation	British Virgin Islands
Live.me Inc.	Cayman Islands
Cheetah Information Technology Company Limited	Hong Kong
Cheetah Mobile Hong Kong Limited	Hong Kong
Cheetah Technology Corporation Limited	Hong Kong
Hongkong Cheetah Mobile Technology Limited	Hong Kong
Hong Kong Live.Me Corporation Limited	Hong Kong
Hongkong Zoom Interactive Network Marketing Technology Limited	Hong Kong
Hong Kong Youloft Technology Limited	Hong Kong
Japan Kingsoft Inc.	Japan
Cheetah Mobile Singapore Pte. Ltd.	Singapore
MobPartner SAS	France
Cheetah Mobile America, Inc.	United States
Taiwan Cheetah Mobile Corp	Taiwan
Beijing Kingsoft Internet Security Software Co., Ltd.	People’s Republic of China
Beijing Lewo Wuxian Technology Co., Ltd.	People’s Republic of China
Chongqing Calendar Technology Co., Ltd.	People’s Republic of China
Conew Network Technology (Beijing) Co., Ltd.	People’s Republic of China
Moxiu Technology (Beijing) Co., Ltd.	People’s Republic of China
Zhuhai Juntian Electronic Technology Co., Ltd.	People’s Republic of China
Baomi Information Technology (Shanghai) Co., Ltd.	People’s Republic of China
Variable Interest Entities
Beijing Cheetah Network Technology Co., Ltd.	People’s Republic of China
Beijing Conew Technology Development Co., Ltd.	People’s Republic of China
Beijing Cheetah Mobile Technology Co., Ltd.	People’s Republic of China