Abstract: OBJECTIVE To discuss the pharmaceutical care model on the pediatric patient with brucellosis and brucellosis arthritis. METHODS Clinical pharmacists participated in the treatment of a pediatric patient with brucellosis and brucellosis arthritis, assisted clinicians to establish medication regimen and develop reasonable pharmaceutical care and medication education. RESULTS Through the effective pharmaceutical care, the safety, effectiveness and reasonable of medication in pediatric patient with brucellosis were improved. And also, the incidence rate of adverse drug reaction was decreased. CONCLUSION The clinical pharmacists develop actively pharmaceutical service, and can realize their value by evaluating the level of treatment.