About one month after the surgery of mixed hemorrhoids and anal fissure, the local wound cracks, considering that it may be caused by the patient’s dry stool, defecation effort, or it may be caused by the local wound pseudo-healing or poor healing. Mixed hemorrhoids and anal fissure surgery about a month after the local wound mucous membrane growth is relatively weak, if the patient’s stool is dry, defecation excessive effort may lead to local wounds, or skin mucous membrane cracking injury. This will lead to wound dehiscence and symptoms such as pain and bleeding. It is recommended that patients need to maintain loose stools for a long time after surgery. Secondly, it may be related to poor wound healing. When the wound pseudo-healing, the anal local tissue growth is not tight, the base tissue is loose, when subjected to certain external force will appear damage, or even infection. Mixed hemorrhoids anal fissure surgery after a month and a half and fissure again should be timely medical care, under the guidance of the doctor to clarify the cause of the disease, and give standardized treatment.