A little feverish pain 1 month after hemorrhoid surgery may be caused by the wound becoming infected, the remaining hemorrhoidal nuclei not being completely detached, and the recurrence of hemorrhoids. 1. Wound infection: 1 month after hemorrhoid surgery, if the wound is infected, the stimulation of inflammation makes the local wound redness, swelling and other symptoms, often can be accompanied by a little feverish pain. 2. The residual hemorrhoidal nucleus is not completely off: hemorrhoidal surgery hemorrhoidal nucleus is usually off in about 7~12 days. If the hemorrhoid nucleus is still not completely off after 1 month after surgery, it will cause friction and irritation to the local skin, which can cause a little feverish pain. 3. hemorrhoid recurrence: hemorrhoid surgery 1 month later, if you do not pay attention to dietary habits, hard and dry stools will trigger the recurrence of hemorrhoids, hemorrhoids swelling and congestion can also be caused by the local appear a little feverish pain.