Exhibit 8.1
LIST OF SIGNIFICANT SUBSIDIARIES AND VIES
| Subsidiaries | Place of Incorporation | |
| Cheetah Information Technology Company Limited | Hong Kong | |
| Cheetah Mobile Hong Kong Limited | Hong Kong | |
| Cheetah Technology Corporation Limited | Hong Kong | |
| Hongkong Zoom Interactive Network Marketing Technology Limited | Hong Kong | |
| Multicloud Limited | Hong Kong | |
| Japan Kingsoft Inc. | Japan | |
| Cheetah Mobile Singapore Pte. Ltd. | Singapore | |
| Beijing Kingsoft Internet Security Software Co., Ltd. | People’s Republic of China | |
| Conew Network Technology (Beijing) Co., Ltd. | People’s Republic of China | |
| Beijing Kingsoft Cheetah Technology Co., Ltd. | People’s Republic of China | |
| Zhuhai Baoqu Technology Co., Ltd. | People’s Republic of China | |
| Jingdezhen Jibao Information Service 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 |