Sigmoid colon anus at the three 0.2×0.2cm polyps for clinical common sigmoid colon polyps, is occurred in the sigmoid colon part of the mucous membrane of the elevated lesions. In real life, the sigmoid colon due to frequent friction with food debris, feces and other friction, coupled with the role of genetic factors and dietary habits, is often the growth of polyps, but also a common disease in gastroenterology. Polyps can be categorized into inflammatory polyps, adenomatous polyps and malignant polyps. Inflammatory polyps are formed due to its repeated inflammation stimulating healing such as ulcerative colitis, generally no risk of cancer; while adenomatous polyps are exact precancerous lesions, if found should be regularly reviewed and further treatment; malignant polyps are cancerous and need to be removed as soon as possible surgically and so on. Polyps at the sigmoid colon and anus, need to actively consult the doctor, clear diagnosis, follow the doctor’s instructions for reasonable treatment, to avoid aggravation of the condition.