与附着点炎症相关的关节炎(ERA)为幼年特发性关节炎的一个亚型,以男性年长儿多见,以非对称性累及下肢关节、骶髂关节和多数患儿有附着点炎症、HLA-B27阳性为特点。CT、MRI有助于早期发现骶髂关节炎。本病的药物治疗包括非甾体抗炎药、糖皮质激素、改善病情用药和生物制剂。TNF-α拮抗剂可有效缓解病情。加强对ERA的认识,及时诊断治疗能明显改善患儿关节炎症,避免残疾发生。 Arthritis associated with attachment points (ERA) is a subtype of juvenile idiopathic arthritis, more common in older men and lower limbs with asymmetry, sacroiliac joints and most children with attachment points of inflammation , HLA-B27 positive features. CT, MRI helps to early detection of sacroiliitis. The medical treatment of this disease include non-steroidal anti-inflammatory drugs, glucocorticoids, medication to improve the condition and biological agents. TNF-α antagonists can effectively alleviate the disease. Strengthen the understanding of ERA, timely diagnosis and treatment can significantly improve children’s joint inflammation and prevent disability.