复发性腹痛(RAP)属于慢性腹痛范畴.慢性腹痛是指在3个月或3个月以上的时间内至少有3次不连续的腹痛发作.RAP占小儿腹痛总数的50%以上,可分为器质性及功能性两大类.功能性RAP是本节讨论的重点,发病年龄以5～14岁儿童多见,虽无器质性病灶,但其中10%～15%儿童因频繁发作而影响了学习及日常活动. Recurrent abdominal pain (RAP) belongs to the category of chronic abdominal pain.Chronic abdominal pain refers to at least 3 consecutive abdominal pain episodes within 3 months or more than 3 months.RAP accounts for more than 50% of the total abdominal pain in children and can be divided into Organic and functional categories.Functional RAP is the focus of discussion in this section, the age of onset to 5 to 14 years old children more common, although no organic lesions, but 10% to 15% of children due to frequent attacks and Affected learning and daily activities.