Hemorrhoids, anal fissures, anal fistulas, perianal abscesses and anal canal stenosis are common clinical benign anal diseases. According to epidemiological surveys, the incidence of benign anal diseases in China is as high as about 35%, and its incidence has a tendency to increase year by year with the improvement of living standards, the acceleration of the pace of life and the reduction of people’s exercise. Among such a large number of patients, a considerable number of patients need to receive surgical treatment, but due to the special anatomical site of the anus, rich local nerves, serious bacterial contamination, etc., postoperative pain, infection, bleeding, anal incontinence, narrowing of the anal canal may occur, a considerable number of patients who need surgery friends due to excessive fear of these risks and give up surgical treatment, nurse the disease as a problem. In fact, as long as the appropriate surgical method and the correct treatment means, the above risks can be significantly reduced, for example, perianal disease after surgery routine long-acting pain relief needle closure can significantly reduce postoperative anal pain, for mixed hemorrhoids to take intraoperative preservation of skin mucosal bridge can avoid postoperative anal stenosis and incontinence, for high complexity of anal fistula using low cut high hanging surgery can reduce postoperative anal function damage. In short, any surgery, phoenix risk is inevitable, but the chance of risk occurrence has a considerable relationship with the treatment level of the doctor, regular hospitals and regular professional doctors, can make the risk rate reduced to a minimum.