Objective: To summarize the anti-infective drug use process of clinical pharmacists participating in the clinical treatment of complex urinary tract infection with Klebsiella pneumoniae. Methods: A child with urinary tract infection caused by Klebsiella pneumoniae (extended spectrum beta-lactamases

serine carbapenemase) was treated by clinical pharmacists

who actively participated in the selection of antibiotics

the adjustment of antibiotics and pharmaceutical care. Results: The clinical pharmacist assisted the clinician to control the infection of the child

and the child was discharged after improvement. Conclusion: Clinical pharmacists should actively cooperate with the treatment team in clinical work

and make use of their own professional advantages to promote clinical rational drug use

obtain better therapeutic effects and shorten the hospitalization time of the patient.