Abstract: Objective To evaluate the performance of the automatic warning information system of communicable disease in Xiangshan, and provide scientific evidence for the improvement of the system. Methods The sensitivity, effectiveness and timeliness of the automatic early warning information system were analyzed and evaluated. Results More early warning of 5 communicable diseases (other infectious diarrhea, mumps, measles, influenza and acute hemorrhagic conjunctivitis) were made by the system. Conclusion The automatic early warning information system of communicable disease is sensitive and facilitate the early warning of communicable disease in Xiangshan.