Symptoms of diarrhea (diarrhea) 10 days after liver cancer surgery are mainly considered to be related to decreased liver function. In addition, the possibility of dietary influence, gastrointestinal disease, drug influence and other factors should also be considered. 1. Decreased liver function: liver cancer surgery will affect liver function, which in turn affects gastrointestinal function and may even trigger indigestion, abdominal pain, diarrhea and other symptoms. 2. Dietary influence: consuming puffer fish, fish gall and other foods may cause acute diarrhea; consuming shrimp and dairy products may cause intestinal metamorphosis and then symptoms of diarrhea. 2. Gastrointestinal diseases: such as intestinal bacterial infection, intestinal parasitic infection, chronic atrophic gastritis, advanced gastric cancer and so on, all of which can cause diarrhea and other symptoms. 3. Drug influence: patients may have adverse reactions such as diarrhea after applying medicines such as lincomycin, cisapride and reserpine. 4. Other factors: other diseases such as hyperthyroidism and purpura may also cause diarrhea. The cause of diarrhea after liver cancer surgery is complicated. It is recommended to consult doctor as soon as possible to confirm the diagnosis and follow the doctor’s instruction for treatment.