Cholecystitis is mainly caused by obstruction of the gallbladder duct, bacterial infection, gallbladder stones, etc.; Hepatitis B is caused by hepatitis B virus infection. The two are not directly related. Cholecystitis is mainly divided into acute cholecystitis and chronic cholecystitis. Acute cholecystitis is mainly due to obstruction of the gallbladder duct and bacterial infection; chronic cholecystitis is mostly due to gallbladder stones. Hepatitis B is caused by hepatitis B virus infection, which is a kind of infectious disease, spreading through blood, mother-to-child transmission and sexual contact. Cholecystitis and Hepatitis B are two different diseases, so they are not directly related. If you have cholecystitis or hepatitis B, you should seek medical advice and follow the doctor’s instructions for appropriate examination and treatment.