Objective: To explore the role of clinical pharmacists in the individualized treatment and pharmaceutical care of Crohn’s disease in a child. Methods: With the selection of immunomodulatory treatment plan

dosage adjustment and adverse drug reaction monitoring as the entry point

combined with genetic testing

clinical pharmacists formulated individualized dosing plans and monitoring plans according to the actual conditions of the patients and cooperated with the clinic. Results: The clinical pharmacist assisted the clinic in formulating a reasonable treatment plan based on the actual situation of the patient

so that the patient’ s symptoms were controlled and the occurrence of adverse drug reactions was reduced. Conclusion: In the process of clinical treatment

clinical pharmacists have exerted their professional advantages in pharmacy

optimized clinical dosing regimens

reduced adverse drug reactions

and promoted rational clinical use of drugs.