The invention discloses an early warning system for aircraft structure health monitoring. The system comprises an ultrasonic sensing monitoring module, a laser seismic measuring module, an optical fiber sensing module, a monitoring information receiving module, a monitoring information analysis module, an aircraft structure data importing module, an information transfer storage module, an information storage cloud end and a retrieval module; the ultrasonic sensing monitoring module is in communication connection with the monitoring information receiving module, the laser seismic measuring module is in communication connection with the monitoring information receiving module, the optical fiber sensing module and the monitoring information receiving module are in communication connection, the monitoring information receiving module is in communication connection with the monitoring information analyzing module, the information analyzing module is in communication connection with an earlywarning grading module, and the information storage cloud end is in communication connection with the information transfer storage module; the system can better ensure the accuracy of aircraft structure monitoring and early warning by collecting more data, and convenience is provided for maintenance personnel to retrieve information on aircraft maintenance.