Abstract: ObjectiveTo analyze the incidence trends and epidemiological features of notifiable infectious diseases in recent years after the implementation of network direct reporting in Lishui. MethodsA descriptive epidemiological analysis was conducted. A descriptive study was conducted. ResultsFrom 2005 to 2007, a total of 41 663 cases of 27 notifiable infectious diseases and 69 death cases were reported in the city. The average annual incidence rate was 549.95/lakh, the average annual death rate was 0.91/lakh, the case fatality rate was 0.17%. The incidence rates were 594.12/lakh in 2005, 564.46/lakh in 2006 and 558.12/lakh in 2007 with a trend of decreasing (I/Isup2/sup = 50.41， IP/I＜0.01), Among the total reported cases, there were 16 cases of class A infectious diseases, 25 786 cases of class B infectious diseases, and 15 861 cases of class C infectious diseases with an average annual incidence rates of 0.21/lakh, 344.20/lakh, and 211.72/lakh, respectively. The proportion of the different infectious disease were as follows: 14 603 cases of blood-borne and sexually transmitted diseases (35.05%); 13 728 cases of respiratory diseases(32.95%), 12 889 cases of intestinal diseases（30.94%）; 313 cases of natural focal and insect borne diseases (0.75%) and 132 cases of infectious diseases (0.32%). The first five infectious diseases with the highest average annual incidences were as follows: other infectious diarrhea (139.74/lakh), viral hepatitis (117.46/lakh), pulmonary TB (76.07/lakh), mumps (73.44/lakh) and syphilis (59.13/lakh). ConclusionThe prevention and control of infectious diseases should be strengthened and the focus should be on the prevention and control of blood-borne and sexually transmitted diseases, respiratory diseases and intestinal infectious diseases in Lishui city.