Gallbladder polyp blood flow signals may be caused by gallbladder polyps, gallbladder wall hyperplasia, and gallbladder tumors. 1. Gallbladder polyps: are lesions that originate from the gallbladder wall and protrude or bulge into the gallbladder lumen. Imaging is often referred to as a polypoid lesion of the gallbladder, which manifests as multiple polyps of the gallbladder with blood flow signals. 2. gallbladder wall hyperplasia: generally due to inflammatory stimulation caused by the gallbladder wall foreign body hyperplasia, will lead to increased blood flow in the area of hyperplasia, it will appear polyp blood flow signal. 3. Gallbladder tumor: it is a new organism formed by proliferation and abnormal differentiation of body cells under the action of various initiating and promoting factors, and the tumor site will also have rich blood supply, and there will be polyp blood flow signals. Gallbladder polyp may also be seen in cholecystitis and other diseases, if the symptoms of gallbladder polyp, persistent unrelieved, need to seek medical treatment.