A 0.3 x 0.5 cm polypoid with homogeneous echogenicity in the posterior wall of the neck of the gallbladder is a manifestation of a gallbladder polyp described by ultrasonography, suggesting that a polyp of 0.3 x 0.5 cm in size was found in the posterior wall of the neck of the gallbladder, and that the polyp was homogeneous in its echo. Gallbladder polyps are lesions in which the wall of the gallbladder protrudes or bulges into the lumen of the gallbladder. It is often associated with abnormal cholesterol metabolism and inflammatory irritation of the gallbladder. Gallbladder polyps usually have no clinical symptoms and are often found during physical examination. If the gallbladder polyps caused by chronic inflammation of the gallbladder can appear right upper abdominal pain, loss of appetite, abdominal distension, nausea and vomiting and other symptoms. If gallbladder polyps are found to be only 0.3×0.5 cm with uniform echogenicity through ultrasound, in this case, if there is no abnormal manifestation, it can be followed up and observed on a regular basis, and regular ultrasound can be reviewed, so that any abnormality found can be handled at any time; if gallbladder polyps are recurrently inflamed or persistently enlarged, or if there is a tendency of malignant transformation, it is recommended that the gallbladder be removed surgically. If you find gallbladder polyps, you need to go to the hospital in time, standardized treatment or treatment, so as not to delay the condition.