The gastrointestinal tract(GI) is the most frequently involved site of mucosa associated lymphoid tissue(MALT) lymphoma. Stomach is the most common site of involvement among the GI tract. In some case of MALT lymphoma, it is detected in colon. Almost all diagnosis is established by pathological examination of the surgical or endoscopic specimens. We reported a case of rectal MALT lymphoma by colonoscopic polypectomy.