Objective To investigate the prevalence of food allergies in Shunyi district,and provide the basis for the development of interventions. Method Sampling seven primary of Grades 1-5 students in cluster, and their parents or guardians were asked to complete the questionnaire provided by the The Europrevall project Commission (Chinese version). Results A total of 4,724 valid questionnaires were received. Private prosecution rate was 8.2% of food allergy, mango, shrimp, peaches, milk and dairy products, mutton, fish, crab, egg-based reporting trips were the main allergic food. The main symptoms of allergy to the skin rash, itching, diarrhea or vomiting (other than food poisoning), mouth, lips or throat are itching, tingling or swelling, the ratio of total number of private prosecution allergy were 51.0%, 33.2%, 31.2%; Private prosecution food allergy accounts for 10.8% of students had allergic rhinitis, 5.4% had a history of wheezing, 48.7% had skin rash. Conclusion Food allergy has gradually become one of the common chronic disease of children, early diagnosis and avoid eating food allergens is essential.