If cholesterol gallbladder polyps are done on CT, they may show hyperdense shadows, while if they are other types of gallbladder polyps, they will not show hyperdense shadows. If a patient has a dense shadow on CT of the gallbladder, other conditions such as gallbladder stones are most often considered. If the patient presents with cholesterol gallbladder polyps, hyperdense shadows will appear on CT examination of the gallbladder. If the patient has other types of gallbladder polyps, the CT examination of the gallbladder will show single or multiple nodules protruding into the lumen of the gallbladder, which usually do not appear as hyperdense shadows. If the patient is not a cholesterol gallbladder polyp and a dense shadow is found on CT examination, it is necessary to be alert to the fact that it is caused by gallbladder stones or gallbladder tumors. It is recommended that patients with gallbladder polyps need to consult a doctor in time for the appearance of high-density shadows on CT examination of the gallbladder, and the doctor will choose appropriate measures for the treatment of the patient’s condition. In addition, patients should pay attention to the dietary rules, should not overeat, to eat less greasy food.