Multiple polyps are gastrointestinal polyps with multiple, or even thousands, ranging from familial polyposis, melanin spot – gastrointestinal multiple polyp syndrome, as follows: 1. Familial polyposis: also known as hereditary multiple polyps, the occurrence of polyps is limited to the colon and rectum, as multiple tumor polyps, which will eventually become cancerous, clinically can be manifested as blood in the stool, diarrhea, wasting and other symptoms, the treatment is mainly 2.Melanin spot – gastrointestinal multiple polyp syndrome: is a rare disease related to genetics, in addition to the widely distributed polyps in the gastrointestinal tract, in the pharynx, lips, cheek mucosa, hands, feet and other parts of the brown or blue, black pigmentation spots, clinically can be no symptoms, but also abdominal pain, diarrhea, bleeding, generally do not require surgery, but There is a 2%-3% cancer rate.