If urinary catheterization causes nerve reflexes or long-term catheterization triggers urinary tract infections, it is necessary to combine specific causes of conditioning treatment. 1. Nerve reflexes: Because urinary catheterization may cause some nerve reflexes, a small number of patients may experience pain and discomfort in the abdomen, which is mistaken for gastrointestinal pain. In this case, proper rest and good lubrication with paraffin oil before insertion of urinary catheter can reduce the incidence of gastrointestinal pain. 2. Urinary tract infection: if the patient’s condition is serious, need long-term catheterization, in this case, may induce urinary tract infection and other situations. Patients can appear abdominal pain discomfort, burning pain in the urethra, it is necessary to return to the hospital as soon as possible to review. Sensitive antibiotic drugs can be targeted selection, such as levofloxacin, injection ceftriaxone sodium and other antibiotic treatment, timely replacement of urinary catheters, instructing patients to drink more water, pay attention to rest, the symptoms can slowly subside.