(1) stones ≥ 3cm in diameter;
(2) combined with surgeries that require an open abdomen;
(3) accompanied by gallbladder polyps>1cm;
(4) thickening of the gallbladder wall;
() (5) Calcification of the gallbladder wall or porcelain gallbladder;
(6) Gallbladder stones in children;
(7) Combined with diabetes mellitus;
(8) With cardiorespiratory dysfunction;
(9) Remote or underdeveloped transportation areas, field workers;
(10) Discovered gallbladder stones more than 10 years.