“国籍联系”在《外空条约》、《责任公约》、《登记公约》和《营救协定》中具有重要的意义,是界定“本国活动”、“有关国家”、“发射国”、“登记国”的重要标准,是判断“私人行为的归责性”的重要导向,是私人、空间物体的国籍国承担相应损害赔偿责任的重要依据,是划分空间活动责任、风险的重要标准,是空间责任制度的重要组成部分。 “Nationality relations” is of great significance in the Outer Space Treaty, the “Liability Convention”, the “Registration Convention” and the “Rescue Agreement.” It is the definition of “national activities”, “relevant countries,” “ The important criterion for ”launching State“ and ”State of State registration“ is an important guideline for judging ”the liability of private acts" and is an important basis for the State of nationality of private and space objects to bear the corresponding liability for damages. The important criteria for dividing responsibilities for space activities and risks are important components of the system of space responsibility.