Inflammation of the wound 20 days after hemorrhoid surgery is mainly due to the fact that the wound is not completely healed and is contaminated with feces, which causes inflammation to appear. When hemorrhoid surgery, there will be a lot of wounds around the anus that are open and not sutured. Because the anus often needs to defecate, the wounds here are stimulated by feces and intestinal secretions, contamination, etc. will heal more slowly. Therefore, after hemorrhoid surgery must pay attention to anal hygiene, to wash, keep clean, clean, dry, in order to avoid infection, inflammation. In general, it is recommended to wash the anus after defecation and before going to bed. Daily sitz bath with 1:5000 potassium permanganate solution. Oral Diosmin or Mai Zhi Ling to reduce swelling, local hemorrhoid cream or pessary anus, relieve local edema, pain, inflammation, etc., to promote wound healing. After hemorrhoid surgery, patients should eat a light diet, do not eat spicy stimulating food, avoid drinking alcohol, do not stay up late and sedentary. Eat more fresh vegetables and fruits, drink more water, appropriate exercise, keep the stool soft and smooth. Hemorrhoid surgery twenty days wound inflammation, it is recommended to the hospital as soon as possible to give local debridement, anti-infection treatment, specifically according to the patient’s condition, under the diagnosis and treatment of a professional doctor, to avoid delaying the condition.