Objective: To explore the anti-infective therapy strategy of rare pathogenic bacteria. Methods: Combined with the pathophysiological conditions of a child with Ewingella americana

clinical pharmacists provided suggestions for clinical anti-infective therapy regimen by understanding the species

pathogenicity of pathogenic bacteria and selection of commonly used therapeutic drugs. Results: Clinical pharmacists assisted clinicians in selecting antibiotics timely and accurately and adapting the treatment properly

and the child was discharged from the hospital in a better condition. Conclusion: According to pathogenic bacteria

clinical pharmacists assist clinicians to formulate anti-infective therapy regimen from the perspective of drug selection and the body’s response to drugs

and give full play to the professional advantages of clinical pharmacists.