Introduction
PPH, hemorrhoids, defecation disorders
MIXED HEMORRHOIDS, DISEASE, DISEASES, HEMORRHOIDS
Mixed hemorrhoids are a common disease that afflicts people all over the world, and PPH is a common operation for the treatment of mixed hemorrhoids [The Baliao point (BL31–BL34) is a traditional Chinese acupuncture point with a long history. They are divided into four pairs, namely Shang liao (BL31), Ci liao (BL32), Zhong liao (BL33), and Xia liao (BL34), with a total of eight acupuncture points (Fig. Anatomical position of Baliao pointIn China, some scholars have initially explored the effect of EA at Baliao point on anorectal diseases and postoperative recovery after anorectal surgery. It had been reported that acupuncture at Baliao point can promote anorectal motility and improve functional defecation disorders [The purpose of this study is to further explore the effect of EA at Baliao point on the improvement of postoperative pelvic floor function in patients who underwent PPH surgery through a single disease in moderate sample size with more comprehensive observation indicators.