Aimed at the incorporating ballistic missile defense problem, a design method of Engage Schedule Group is put forward, by using which the auto-engage can be implemented effectively according to schedule for ballistic missile defense. Based on the incorporating ballistic missile defense system architecture, the conception of Engage Schedule Group (ESG) for ballistic missile defense is set up. Then the ESGs for ballistic missile boost phase, midcourse phase, and terminal phase intercepting are designed, which are capable of intercepting ballistic missiles in all phases of their flight trajectory. Finally, the information schedules of these ESGs are programmed. The design of ESG is of great value to the plan for and the integration of a ballistic missile defense system and its application.