Gallbladder wall thickness of about 3mm is not normal. Normal gallbladder wall thickness is 1~2mm, gallbladder wall thickness of about 3mm is greater than the normal value, belong to the abnormal phenomenon. The gallbladder is a pear-shaped organ, 5-8cm long, 3-5cm wide, with a volume of 30-60ml, divided into the bottom, the body, the neck of the three parts of the gallbladder, with the concentration of bile storage, bile discharge and secretion function. Cholecystitis acute attack ultrasonography can be seen gallbladder enlargement, gallbladder wall thickening, can be manifested as an increase in thickness and reached more than 3mm, gallbladder wall obvious congestion, edema, should go to the hospital in time for treatment, excision of the gallbladder. Daily attention should be paid to avoid high oil and high fat food, pay attention to balanced nutrition, and develop good living habits.