Abnormal hyperechoicity within the gallbladder is associated with gallbladder stones, gallbladder polyps, and gallbladder tumors. Abnormal hyperechoicity within the gallbladder is an abnormal manifestation of gallbladder ultrasound. Abnormal hypoechoicity in the gallbladder is related to the following factors: 1. gallbladder stones: ultrasound is the first choice for diagnosing gallbladder stones, which can clearly show the size of the gallbladder, the wall thickness and the high-density strong light mass echoes characteristic of gallbladder stones, accompanied by acoustic shadows in the rear. 2. Gallbladder polyps: ultrasound shows hyperechoic or isoechoic mass, no acoustic shadow, and does not move with body position. 3. Gallbladder tumor: Hypoechoic phenomenon can also occur, according to the actual ultrasound examination, if necessary, give enhanced CT, magnetic resonance examination. Other reasons can also appear in the gallbladder abnormal high echo, it is recommended to improve the relevant examination, clear diagnosis and then give treatment.