Table 2.

Clinical practice of internal administration of CHM for anal fistula

Method	Qi and blood tonic method	Results	Reference
Heat clearing and detoxification method	The observation group was treated with Qudu-Xiaozhong decoction for anal fistula, and the control group was treated with frankincense and tangerine peel	The scores of incision pain and wound exudation in the observation group were better than those in the control group, and the wound area was smaller (P<0.05)	[72]
Reduced heat and humidity therapy	The patients with anal fistula were treated with Qingre-Yangxue decoction, and the conventional western medicine treatment was used as a control	The secretion score of the observation group was lower than that of the control group (P<0.05), and the wound healing rate and wound healing time were significantly better than those of the control group (P<0.05)	[73]
Promoting blood circulation and removing blood stasis	The treatment group was given self-made Jianpi-Tongluo decoction to treat anal fistula, and the control group was given oral Chinese medicine placebo	The symptoms of spleen deficiency and blood stasis such as poor appetite, mental fatigue and drowsiness, local pain, thick dark purple tongue and pulse strings were significantly improved in the treatment group. The cure rate of the treatment group was significantly higher than that of the control group (P<0.05)	[74]
	28 patients with anal fistula were treated with Xuefu Zhuyu decoction combined with Kushen decoction	This method can reduce the pain of patients and improve their enthusiasm for intervention	[75]
Qi and blood tonic method	29 patients with anal fistula were treated with Danggui Buxue decoction	The wound healing was accelerated and complications were reduced	[76]
	30 patients with anal fistula were treated with Yiqi Shengxue decoction, and the conventional western medicine group was compared	The total clinical effective rate of the observation group was higher than that of the control group (P<0.05)	[77]

CHM, Chinese herbal medicine.