Patients with tuberculous peritonitis should consume foods high in protein, vitamins and energy. Patients with tuberculous peritonitis must be careful to avoid spicy and irritating foods, especially indigestible foods, because they are prone to intestinal obstruction. Therefore, care must be taken to avoid the intake of high-fat foods such as fatty meats, as well as animal offal. It is also recommended that patients with tuberculous peritonitis should strengthen their exercise and increase their nutrition by paying attention to small and frequent meals and avoiding overeating. Tuberculous peritonitis is a form of tuberculosis caused by the infection of the peritoneum by the tubercle bacillus, which is prone to intestinal tuberculosis and intestinal obstruction. Therefore, dietary treatment is very important for patients with tuberculous peritonitis.