Abstract: Objective This analysis helped us gain some insight into the onset rules of bacillary dysen-tery and grasp the epidemic trend so as to provide scientific basis for the implementation of preventive and cure countermeasures against bacillary dysentery．Methods Reviewing analysis of bacillary dysentery from 1992 to 2003 in Zhoushan City was conducted. Results The incidence of bacillry dysentery from 1992 to 2003 fluctuated between 309.25/lakh and 27.63 lakh. The overall displayed a descending ten-doney；this disease should take place in the whole year with summer and fall as a peak；all stages of age were subject to this disease with the highest morbidity occurring in babies at the age of 0—5 years old；Among various occupations，the order of incidence was residential children living sporadically，students，fishermen(farmers)，house-hold job seekers and workers from high to low Condmion Strengthening the management on the epidentie,reinforcing the power of health education,especially enhancing the propaganda of sanitary knowledge about prophylaxis of bacillary dysentery for fishermen and farmers as well as children’s guardians，changing insanitary habits，ameliorating hygiene conditions&re effective ways to reduce the onset of badllary dysemery．