A few years after anal fissure and hemorrhoid surgery, there is a hard line of material inside the local rectum, considering that there may be postoperative scars during the surgery or hardened mucosa left by local submucosal sclerosing agent injection during the surgery. The first consideration is that the patient may have internal scarring, usually seen in patients with scarring or patients with severe localized conditions before surgery, the localized scars can not be completely softened after surgery, which will form a hard submucosal hard knot or hard line like. Secondly, it is possible that in the process of anal fissure and internal hemorrhoid treatment, the local mucous membrane for sclerosing agent injection and the local hardening of the mucous membrane, the texture of the fibrous change of the reason, mainly and the local mucous membrane injection of anti-hemorrhoidal spirit or paeoniae peony times the injection of the sclerosing agent and so on. A few years after anal fissure and hemorrhoid surgery, feel the rectum hard line like do not need to be too nervous, if accompanied by other symptoms of discomfort, you can promptly consult the doctor under the guidance of the examination and treatment.