Summer is a high incidence season for intestinal infectious diseases, mainly transmitted through food, drinking water, daily contact and other means. Therefore, it is crucial to maintain dietary hygiene and prevent diseases from entering through the mouth. How to prevent intestinal infectious diseases? The Beijing Center for Disease Control and Prevention recently released health tips for preventing intestinal infectious diseases. Liu Baiwei, Deputy Chief Physician of the Institute of Infectious Diseases and Local Disease Control at the Beijing Center for Disease Control and Prevention, introduced that common bacteria that cause intestinal infectious diseases include Escherichia coli, Salmonella, Campylobacter jejuni, Vibrio parahaemolyticus, Shigella, etc; Common viruses that cause intestinal infectious diseases include norovirus, rotavirus, saxovirus, astrovirus, and intestinal adenovirus. Liu Baiwei said that intestinal infectious diseases mainly manifest as diarrhea, nausea, vomiting, abdominal pain, loss of appetite, etc., which are common symptoms in daily life. If left untreated, it may cause malnutrition, anemia, decreased body resistance, and in severe cases, dehydration. In rare cases, it may even be life-threatening. Experts suggest paying attention to drinking water hygiene. High temperature can kill pathogenic microorganisms, and drinking water should be boiled before consumption; Pay attention to food hygiene, separate raw and cooked food to avoid cross contamination. The leftover food should be stored in the refrigerator in a timely manner, and the storage time should not be too long. Before consuming it again, it needs to be heated until it is fully heated, because the low temperature in the refrigerator can only delay bacterial growth and cannot be sterilized; Do not eat raw or semi raw aquatic products that are prone to carrying pathogens. At the same time, it is necessary to cultivate good dietary hygiene habits, pay attention to hand hygiene, wash hands regularly, and wash hands before meals and after defecation; Do not overeat or consume spoiled or spoiled food. Raw food must be washed clean and the intake of raw and cold food should be minimized as much as possible; Families that keep pets must do a good job in pet hygiene, and also remind children and other family members not to feed their pets while eating. What should I do if I experience symptoms of diarrhea? Liu Baiwei said that fasting and water restriction are not advocated. It is advisable to eat light, easily digestible liquid or semi liquid foods, and gradually transition to a normal diet after symptoms improve. If the diarrhea is not severe, symptoms can generally be improved within 2-3 days by adjusting diet, rest, and symptomatic treatment; Those with severe diarrhea, especially those with severe symptoms such as dehydration and high fever, or children or elderly people with low immunity, should promptly seek medical attention at the hospital's intestinal outpatient department. (Lai Xin She)