The article reports on an innovative treatment for adolescent anorexia nervosa (AN) – intensive multi‐family therapy – in terms of symptoms, patients’ and parental psychological functioning and treatment acceptability. In all, thirty patients and their families took part in the study and were assessed at baseline, 3 and 6 months. At 6 months two‐thirds had gained sufficient weight to be in the normal weight range with significant improvements in AN cognition, mood and self‐esteem. Only two of the thirty families discontinued treatment early and both patients and parents scored high on treatment satisfaction, though parents scored significantly higher than patients. These results compare favourably with outcome data from larger more rigorous evaluations of single family therapy for adolescent AN currently considered to be the treatment of choice. While larger, randomized studies are needed, the results are promising and suggest that multi‐family therapy may be a useful additional treatment approach for this group of young people. Practitioner points Multi‐family therapy may provide an effective intervention for adolescent anorexia nervosa and compares well with other, more rigorously evaluated interventions. Multi‐family therapy is highly successful in engaging families in treatment leading to minimal dropout rates. Satisfaction with multi‐family therapy is high for both adolescents and parents. 青少年神经性厌食症的多家庭强化治疗：一项针对30个家庭的开放式研究 本文介绍了一种针对青少年神经性厌食症的创新疗法——多家庭强化治疗。其创新之处在于症状、病人和家长的心理功能和疗法接受度。总共有30位病人及其家庭参加了本研究, 他们接受了基线、三个月和六个月时的评估。在六个月时, 三分之二病人的体重增加至正常范围之内, 并在对厌食症的认识、心情和自尊三个方面有明显的进步。三十个家庭中, 只有两个家庭提前中断治疗。病人与家长对治疗满意度都比较高, 虽然家长的满意度要显著高于病人。该研究结果与针对目前治疗青少年神经性厌食症的首选疗法——单家庭疗法的更加大型和严谨的评估结果相比是更优的。虽然还需要更大样本的随机研究, 但是目前的研究结果十分乐观, 它昭示着多家庭治疗可能会成为针对这一类年轻人的有效的新疗法。 对实务工作者的启示 多家庭治疗或许会成为针对青少年神经性厌食症的一种有效干预手段。与其它经过了更严谨评估的干预手段相比, 它的治疗结果更好。 多家庭治疗在促进家庭参与方面非常成功, 使得流失率降到最低。 青少年和家长对于多家庭治疗的满意度都非常高。 关键词：青少年神经性厌食；饮食紊乱；多家庭治疗；治疗效果评估；实效研究