You can eat crucian carp after surgery. Some people think that crucian carp is a hairy food, which will easily cause wound inflammation and infection after eating it, which is incorrect. Eating crucian carp after surgery can increase protein as well as replenish water, and the time of eating crucian carp should follow the doctor’s instruction. If it is abdominal surgery, such as appendix surgery or gastrointestinal surgery, the short-term after surgery may cause intestinal dysfunction, that is, the first day or the second day after the operation gastrointestinal function has not been recovered, this time is not allowed to eat carp. When the gastrointestinal function recovers, anal defecation, defecation, and you can drink soup, you can eat crucian carp, including also can drink crucian carp soup. If it is non-gastrointestinal surgery, such as thyroid surgery or breast surgery, you can drink crucian carp soup after you are awake from the anesthesia, but it should not be too greasy and should be light.