The causes of gallbladder polyps include genetic factors, dietary factors, and infectious factors. 1. Genetic factors: gallbladder polyps have a certain genetic predisposition, patients with multiple gallbladder polyps in the family, the incidence of polyps in their immediate family members will increase. 2. Dietary factors: the usual diet of spicy, stimulating, greasy, high-sugar food people, irregular meal times, easy to stimulate the gallbladder, causing frequent contraction and secretion, easy to cause mucosal epithelial damage, the emergence of stones and other causes of gallbladder polyps. 3. Infection: Bacterial infection in the gallbladder will cause changes in the composition of bile acids, which will lead to biliary mucosal epithelial erosion and adenomatous hyperplasia, causing the occurrence of gallbladder polyps. If you have gallbladder polyps, you should consult a doctor in time.