The life expectancy of a 40-year-old removed gallbladder is mainly determined by the nature of the lesion that caused the gallbladder, to determine whether gallbladder polyps, gallbladder stones, bile duct cancer and so on. 1. gallbladder polyps: gallbladder polyps after the removal of the gallbladder generally does not affect the patient’s life expectancy, will not affect the duration of survival, the patient’s death may be related to other diseases, the diameter of the gallbladder polyps is greater than 1.0cm can be considered surgery. 2. Gallbladder stones: if there are full gallbladder stones or recurrent gallbladder colic, the gallbladder needs to be removed, and this condition will not affect the life span of the patient. 3. Gallbladder cancer: Clinical diseases that affect life expectancy are often malignant tumors of the gallbladder, and the survival period of 5 years in this case is mainly determined by the clinical diagnosis of the pathological types, and the survival rate of patients in the middle and late stages may be shorter. After the removal of gallbladder, it is recommended to have a light diet to avoid causing the secretion of bile and uncomfortable symptoms, and it is recommended to consult the Hepatobiliary Surgery Department of regular hospitals.