Diverticulitis can be treated with oral antibiotics, and in the acute stage, in addition to medication, intravenous rehydration and nutritional support are also needed, and in severe cases, even surgery is necessary. Diverticulitis is usually treated with antibiotics, usually intravenous ceftriaxone sodium, levofloxacin, ornidazole and other medications, as well as fasting, intravenous nutrition and rehydration therapy. If the effect of anti-infection treatment is not good, surgery can be considered. At the same time, we should also pay attention to eat more fresh fruits and vegetables and high-fiber food to keep the bowel movement, acute attack should be given antibiotics at the same time bed rest, give intravenous fluids and nutritional support. If fistula, intestinal obstruction, diffuse peritonitis and hemorrhage are serious complications, surgery can be performed if medical treatment is ineffective. As an acute abdomen, diverticulitis is easily confused with acute appendicitis and should be treated accordingly.