Objects Aim to study the cured acute intestinal infection companied with gastrointestinal symptoms within 1 year, Understand Changes of gastrointestinal function and occurrences of functional gastrointestinal disorders after acute intestinal infection.Methods Clinical diagnosis and positive bacterial cultures of 436 patients with acute bacterial enteric infections in the hospital clinic of enteric diseases, recovered after 3 months, 6 months and 1 year by way of telephone questionnaire, asking patients with changes of gastrointestinal symptoms and conditions of treatment.