Incidental gallbladder cancer (IGBC) is defined as the gallbladder cancer (GBC) diagnosed during or after cholecystectomy for clinically considered as benign gallbladder disease. Patients with gallbladder carcinoma found during or after operation have increased with the wide use of laparoscopic cholecystectomy, and meanwhile, there is still much controversy about the treatment of IGBC. In this paper, the authors address the advances in IGBC treatment, so as to provide information for clinical practice.