You can drink milk after gallstone surgery, but in try not to drink too much to avoid aggravating the digestive tract. For patients with poor digestive function after gallstone surgery, a low-fat, high-protein diet is required. And milk itself has relatively low fat content, so it is more suitable and can effectively replenish nutrients and promote the recovery of the abdominal cavity and healing of the incision after surgery, which is beneficial for patients. When drinking milk after gallstone surgery, it is important to control the amount, especially for patients whose digestive function is not fully compensated in the early stage after gallstone surgery, too much milk may aggravate the burden on the digestive tract. If you are intolerant to milk or lactose intolerant, it can lead to flatulence, in which case you should try to drink less or no milk. The diet after gallstone surgery should be carbohydrate-based as much as possible, combined with low-fat and high-protein foods, as well as vitamin-rich and dietary fiber-rich foods are more beneficial. In 1-2 weeks’ time, there is no relevant adverse reaction, you can gradually resume normal diet. In addition, it is important to pay attention to regular review and follow-up after gallstone surgery. It is generally recommended to review the liver and biliary ultrasound and liver function 3-6 months after surgery, which can effectively assess the recovery of the abdominal cavity after surgery and whether there are other related complications.