Gallbladder polyp 4×3mm is not serious. Gallbladder polyps are common diseases of the biliary system and are divided into true polyps and pseudopolyps according to the composition of polyps. The vast majority of clinical gallbladder pseudopolyps, pseudopolyps are composed of single-phase water crystals of cholesterol, which can further develop into gallstones, and true gallbladder polyps are polyps that occur in the epithelial cells of the gallbladder mucosa, tumorigenic or non-tumorigenic. Pointer to surgical removal of gallbladder polyps mainly includes: gallbladder polyps continue to increase in size, diameter more than 1cm; recurrent symptoms of cholecystitis and biliary colic; gallbladder polyps are wide basal type or thickened gallbladder wall, suspected of malignant transformation. 4×3mm gallbladder polyps usually belong to relatively small polyps, if there are no symptoms, they can be reviewed regularly.