: Objective: To provide reference for clinical pharmacists to participate into the treatment of Pseudomonas aeruginosa infection in children with severe aplastic anemia after bone marrow transplantation. Methods: Clinical pharmacists participated into the treatment of P. aeruginosa sepsis in a child with severe aplastic anemia after bone marrow transplantation

and the initial treatment including antibacterial drugs such as meropenem

norvancomycin

vancomycin and amikacin

anti-fungal drugs such as fluconazole

voriconazole and micafennet

and compound sulfamethoxazole was used to prevent Pneumocystis carinii

yet the symptoms were not significantly improved. The blood culture of the child was carbapenem-resistant P. aeruginosa. After consultation

the clinical pharmacists adjusted the anti-infection treatment regimen to ceftazidime/avibatam

ciprofloxacin and micafenstine. Results: The body temperature returned to the normal state after 5 d of adjustment of the treatment regimen

and the infection indicators were improved significantly. Conclusion: The participation of clinical pharmacists can provide more targeted treatment for sepsis in children after bone marrow transplantation.