功能性便秘是指非器质性疾病所引起的原发性持续性便秘,主要原因为肠功能紊乱。目前临床上主要通过详细了解病史、体格检查、影像学检查、肛门直肠测压等对功能性便秘进行分型诊断。功能性排便障碍是功能性便秘的一个主要的临床亚型,其符合功能性便秘的诊断的同时还存在盆底肌无力或矛盾收缩的特点。由于功能性排便障碍的特殊性和模糊性,临床对该病的诊断分型存在一定困难,不同医院在诊治方法及治疗效果方面存在明显的差异。因此,临床急需一种更加准确的诊断分型方法,使患者获得最佳疗效。磁刺激运动诱发电位是一种 Functional constipation is a non-organic disease caused by the primary persistent constipation, mainly due to intestinal dysfunction. At present, the clinical diagnosis of functional constipation is mainly based on a detailed understanding of history, physical examination, imaging examination and anorectal manometry. Functional defecation disorder is a major clinical subtype of functional constipation that conforms to the diagnosis of functional constipation with the presence of pelvic floor weakness or paradoxical contractions. Due to the particularity and fuzziness of functional defecation disorder, there are some difficulties in the clinical diagnosis and classification of this disease. There are obvious differences in diagnosis and treatment methods and treatment effects in different hospitals. Therefore, the clinical need a more accurate diagnostic typing method, so that patients receive the best effect. Magnetic stimulation Motor evoked potentials are one type