近年来，随着社会经济的发展，过敏性疾病的发生不断增加；另一方面，由于食物过敏诊断技术的发展，诊断准确率逐渐提高，其发生率也呈上升趋势。人群调查资料显示， ３０％的人有过对食物的不良反应的经历，但确诊的食物不良反应在成人仅为 １．５％左右［１］，而３岁以下的 In recent years, with the development of society and economy, the occurrence of allergic diseases continues to increase. On the other hand, due to the development of food allergy diagnostic techniques, the accuracy of diagnosis is gradually increased and the incidence is also on the rise. According to the data from the population survey, 30% of people experience adverse reactions to food, but the confirmed adverse food reactions are only about 1.5% in adults [1], while those under 3 years of age