The yellow mucus oozing out of the anus 10 months after the fistula surgery, considering the possibility that the local wound is not completely healed or other parts of the wound other than the re-infection. Under normal circumstances, about 10 months after anal fistula surgery, local wound healing, the patient’s anus localized no yellow secretion oozing. About 10 months after the operation, if there is a yellow secretion intermittently appeared in the anus, first of all, need to check the local wound healing, if the wound has a pseudo healing or healing caused by the second wound infection, there will be an increase in the secretion of the situation. Secondly, there may also be other parts of the localized anal infection, especially the anal recesses have a persistent infection and cause the rest of the sinusitis, or again induced perianal abscess and anal fistula, there will be an increase in secretion. Ten months after anal fistula surgery yellow mucus oozing to consider a variety of possibilities, it is recommended that timely medical care, improve the examination, a clear diagnosis, and under the guidance of the doctor for treatment.