I. How is bacillary dysentery caused? Bacterial dysentery is a common intestinal infection in children caused by Bacillus dysenteriae. Bacterial dysentery is spread by the feces of patients or carriers and food, supplies and toys contaminated by feces entering the gastrointestinal tract through hands, food, water or drinks. The common vector of transmission is the food and utensils contaminated by flies. It occurs in summer and autumn, and is common in young children and school-age children. Second, what are the main clinical manifestations of bacterial dysentery? Fever, abdominal pain, frequent stools, 10-30 times a day, with mucus, pus and blood are the main symptoms. Accompanied by nausea, vomiting, severe cases have obvious signs of poisoning, such as impaired consciousness, circulatory failure, respiratory failure, etc. Third, how to let prevent the occurrence of bacterial dysentery? Strengthen hygiene education, train children to wash their hands after meals, do not drink raw water, do not eat unclean food hygiene habits; do a good job of water and food hygiene management; improve environmental hygiene, control the fly breeding ground and often exterminate flies; early detection, diagnosis, isolation and treatment of the disease and carriers; staff of collective children’s institutions to regularly check the stool, if necessary to do bacterial culture, found carriers should be treated and managed in a timely manner. If necessary, they should be treated and managed promptly and transferred out of the institutions; disinfect and isolate hospitalized children; disinfect food utensils by boiling for 15 minutes, soak feces in 1% bleach clarifying solution and pour it into the cesspool or sewer, and wash contaminated objects after boiling and disinfecting.