Currently transcatheter arterial embolizationis widely used in Korea as a palliative treatment in patients with inoperable heptocellular carcinoma. Embolization of cystic artery is frequently unavoidable in TAE but the effect on gallbladder, its significance and sonographic findings hae not yet been fully ascertained. We analyzed 29 cases of gallbladder in post TAE state by means of sonographc evaluation. The results were as follows. 1. Initial change was observed on the 1st day of TAE. 2. Maximum enlargement of the gallbladder occurred within 3 dayw. 3.Relief of pain was mostly noted in one week. 4. No surgical intervention was necessary for complication of gallbladder, if ever; some medical treatment was sufficient. 5. Non-visualizaton of gallbladder was experienced, possibly due to atrophic changes. 6. Even in the case of cystic artery salvation, mild gallbladder changes were still observed. 7. No significant difference as sonographic findings was discernable in use of vari us embolic materials.