Patients with intestinal polyps from 1 cm to 5 cm need a few years, there is no specific time, mainly with the patient with or without chronic inflammation of the intestinal tract and the usual dietary habits have a relationship. Patients with good dietary habits, no intestinal chronic inflammation, intestinal polyps grow slowly, need at least 10 years, patients with bad dietary habits, accompanied by intestinal chronic inflammation, intestinal polyps grow fast, usually 3 to 5 years to 5 cm. 1. Patients usually eat a light diet, do not eat or rarely eat greasy spicy stimulating food, usually not constipated, no intestinal chronic inflammation patients, intestinal polyp growth is very slow, intestinal polyp growth from 1cm to 5cm at least need more than 10 years, and even lifelong maintenance at 1cm. 2. If the patient usually like to eat spicy stimulating food, more oil food, often constipation, and long-term chronic intestinal inflammation patients, intestinal polyps grow very fast, intestinal polyps from 1 cm to 5 cm is often just 3 to 5 years, or even less. Patients usually have discomfort, timely to the hospital, do not be careless, so as not to delay treatment.