After having hemorrhoid surgery, patients can take isosorbide nitrate. Isosorbide nitrate is a drug for the treatment of coronary heart disease and other heart diseases, this drug has no significant effect on the hemorrhoidal wound, will not cause bleeding and edema, and will not affect the wound healing, so after the hemorrhoidal surgery, the patient can take this drug. After the occurrence of hemorrhoids, there will be blood in the stool, and there may be anal swelling prolapse, can be treated conservatively, if the conservative treatment is ineffective, can consider surgical treatment. After hemorrhoid surgery, some drugs will not affect the recovery, and some drugs will affect the recovery, so patients need to take drugs under the guidance of the doctor.