10 days after hemorrhoid surgery, anal pain, the reasons are wound secondary infection, incision stimulation, food residue extrusion, and so on. 1. Wound secondary infection: this situation is the most common, the wound after hemorrhoid surgery is in contact with the external environment, but also fecal contact in the anal canal, and thus susceptible to postoperative infections, in particular, the application of postoperative prophylactic antibiotics is very important. The situation of postoperative anal pain after hemorrhoid surgery suggests timely consultation, give examination and diagnosis. 2. incision stimulation: hemorrhoid surgery wound is not fully recovered, normal activities may cause pulling and stimulation of the wound, and thus the associated pain symptoms. 3. food residue extrusion: if you eat too much food after hemorrhoid surgery, the fecal residue will be extruded on the wound during defecation and related pain symptoms will occur. It is recommended to go to the hospital for review or consult the relevant doctors for targeted treatment to avoid affecting the normal healing of the surgical wound.