Bacteriophageal dysentery is bacillary dysentery, and the effective ways to diagnose this disease are routine blood tests, fecal tests, immunological tests, and also need to combine with the patient’s clinical manifestations. Bacterial dysentery is an intestinal infectious disease caused by Shigella infection, patients and carriers are the main source of infection, can be transmitted through the digestive tract, the population is generally susceptible. The effective way to diagnose this disease is based on the clinical manifestations, combined with routine blood tests, fecal examination, immunological examination can be diagnosed. 1. Clinical manifestations: The main manifestations of the disease include fever, recurrent diarrhea, abdominal pain, mucus, pus and blood in the stools, accompanied by a feeling of urgency (discomfort in the lower abdomen, a strong desire to defecate, and a feeling of incomplete defecation after defecation), which may be accompanied by a loss of appetite, thirst, irritability, fatigue, and headache. 2. routine blood test: routine blood test in patients with acute bacillary dysentery have increased white blood cell count, and patients with chronic bacillary dysentery have decreased hemoglobin and red blood cells. 3. fecal examination: fecal routine examination can see red blood cells, white blood cells, pus cells and other abnormal elevation. Stool culture is positive for Shigella. 4. Immunologic examination: serum immunologic examination has the specific antigen of Shigella. If there is fever, abdominal pain, diarrhea, stool pus and blood and other evidence, we should consult the doctor in time, after the physician examination and diagnosis for treatment, do not self-medication, to avoid causing adverse consequences.