Blood in stool 2 months after hemorrhoid surgery may be due to surgical complications, or due to colorectal malignant tumors, hematological disorders, etc. It is recommended to perform anal diagnosis and other relevant examinations, and give appropriate treatment. 1. Surgical complications: after hemorrhoidal surgery, wound cracking and bleeding may be caused by dry stool, prolonged defecation, insufficient postoperative rest, excessive activity, narrowing of anal canal, etc. Intervention can be made through electrocoagulation, sclerotherapy injection and hemostatic clamps to stop bleeding. It is also recommended to adjust the diet structure and prevent constipation and other bad habits. 2. Colorectal malignant tumor: Colorectal malignant tumor will lead to bloody or pus-blood stool, and will be combined with abdominal pain, abdominal mass, weight loss and other symptoms. Its treatment is mainly based on surgery. 3. Combined with occult hemophilia: when there is a previous coagulation disorder, blood in stool will also occur. It can be corrected by supplementation of coagulation factors or transfusion of plasma components. Two months after hemorrhoid surgery, blood in stool occurs, in addition to the above disease causes, there may be other factors lead to, it is recommended to go to the hospital in time to improve the examination, clear diagnosis and give standardized treatment as early as possible.