Purpose/Significance Proposing an emergency software architecture plan for sudden public health emergencies to provide support for emergency management in the field of public health.Method/Process Design an emergency software architecture plan for sudden public health emergencies through literature analysis and on-site research.Result/Conclusion The emergency software for sudden public health emergencies can quickly and effectively mobilize and integrate various health resources, carry out emergency rescue work in a timely manner, minimize casualties and economic losses, jointly maintain public health safety, and continuously improve and enhance emergency response capabilities.