Whether multiple polyps in the colon will become cancerous or not should be considered from various aspects: 1. depends on the number of polyps: 3-4 polyps are also called multiple polyps, hundreds of polyps are also called multiple polyps, if it is above dozens, it is more likely to be familial polyposis and there may be cancerous polyps. 2. depends on the size of polyps: if the diameter of polyps is greater than 2cm, the chance of cancer is also greater. 3. depends on the nature of polyps: if polyps are taken If there is a family history of gastrointestinal tumors, if there are polyps, regardless of the number and size, it is recommended to actively perform endoscopic treatment. treatment.