Indications for surgery of gallbladder polyps 1.Symptomatic gallbladder polyps should be operated; 2.Asymptomatic gallbladder polyps less than 0.5 cm in diameter should not be operated; 3.Asymptomatic gallbladder polyps between 0.5-1 cm in diameter can be closely observed; 4.Asymptomatic patients with diameter less than 5 mm should be followed up in 3 to 5 months. Once the lesion is enlarged or symptoms are obvious, surgery must be performed. 5, asymptomatic gallbladder polyps larger than 1 cm should be operated. 6.Multiple lesions, accompanied by gallbladder stones, symptomatic and older than 50 years old. 7.Doppler ultrasound examination of lesions with abundant blood supply suggests malignant neoplasm. 8, suspected malignant change or potential for malignant change, should also be operated.