Intermittent blood in the stool three months after surgery for mixed hemorrhoids may be caused by recurrence of hemorrhoids, irregular bowel movements or other intestinal diseases. Depending on the situation, there are different ways to deal with it. 1. Recurrence of hemorrhoids: If you don’t correct your bad habits or eat spicy and irritating food after mixed hemorrhoid surgery, you are likely to have blood in your stool. So even if you have had surgery for mixed hemorrhoids, you should be vigilant after surgery, pay attention to a light diet, quit smoking and drinking, avoid spicy and stimulating foods, and properly carry out anal exercises to prevent the recurrence of hemorrhoids. 2. Irregular stools: too dry and hard stools may damage the intestinal mucosa bleeding when discharged, in this case the bleeding will not be too much, you need to pay attention to drink more water, eat more green vegetables and so on to help soften the stools to reduce the damage to the intestinal mucosa, to avoid bleeding. 3. other intestinal diseases: such as rectal polyps or rectal cancer, etc. will also have blood in the stool, change in stool properties, increased defecation, etc., can improve the colonoscopy to identify, if necessary, surgical treatment. Three months after the mixed hemorrhoid surgery, if there is an unknown cause of blood in the stool, it is recommended that the patient promptly to the anorectal department to review, improve the relevant examination, to clarify the cause of the disease to avoid adverse consequences.