After cholecystectomy, it is possible to gain weight, to lose weight, or to maintain weight without much change. In patients with chronic cholecystitis or recurrent acute cholecystitis, it is likely that the patient was already malnourished prior to the surgery because the diet was significantly affected. When the cholecystectomy is performed, the patient will return to a normal diet and be able to consume nutrients more fully, so it is possible to gain weight, i.e., to put on weight. Some patients after cholecystectomy, due to the bile concentration function is affected, the body’s poor compensatory function, there may be more obvious dyspepsia symptoms, lasting longer, for the fat food intake, was significantly affected, at this time there will be weight loss, that is, thin. After cholecystectomy, most patients do not have significant changes in their diet, so their weight will not fluctuate too much.