Objective:To explore the effect of modified Bazhengsan on postoperative retention of urine (UR) with symptom of downward flow of damp-heat after hemorrhoid fistula and urination function recovery time. Method:A total of 134 cases with UR after hemorrhoid fistula in our hospital from March 2015 to March 2017 were selected as research objectives and divided into two groups randomly. The same basic therapies were provided to both groups. Besides

neostigmine (Neo) was additionally administered to control group

while modified Bazhengsan was additionally administered to observation group. The two groups' visual analogue scale (VAS)

self-rating anxiety scale (SAS) score before and after treatment

first postoperative urination

clinical efficacy and adverse reactions were recorded and compared. Result:The two groups' VAS and SAS scores after treatment were significant lower than those before treatment (P<0.01)

particularly the observation group (P<0.01). Compared with control group

observation group had a significantly shorter first postoperative urination time

with a significant decrease in residual urine volume (RUV) and a significant increase in maximum urinary flow rate (Qmax) (P<0.01). After treatment

observation group's total effective rate was 94.0%

which was significantly higher than 79.1% of control group (P<0.05). There was no obvious adverse reaction/event in two groups. After treatment

the differences in incidence of urinary tract infection

hemorrhage

pain and re-occurrence of urinary retention were statistically significant between two groups (P<0.05). Conclusion:Modified Bazhengsan can relieve clinical symptoms and signs among patients with retention of urine with symptom of downward flow of damp-heat after hemorrhoid fistula

with a better clinical efficacy than neostigmine.