Exhibit 21.1

Subsidiaries

Name of Subsidiary	Jurisdiction of Incorporation or Organization
Zai Lab (Hong Kong) Limited	Hong Kong
Zai Lab (Aust) Pty Ltd	Australia
Zai Lab (US) LLC	Delaware, United States
ZLIP Holding Limited	Cayman Islands
ZL Capital Limited	British Virgin Islands
ZL China Holding Two Limited	Hong Kong
Zai Lab (Shanghai) Co., Ltd.	People’s Republic of China
Zai Lab (Suzhou) Co., Ltd.	People’s Republic of China
Zai Biopharmaceutical (Suzhou) Co. Limited	People’s Republic of China