Objective: To establish clinical thinking to deal with fever in children with tumors

as well as the treatment plan for gastrointestinal adverse reactions such as nausea and vomiting caused by chemotherapy. Methods: Clinical pharmacist’s participated in the whole treatment process of the child

comprehensively analyzed the causes of fever in the child. And the pharmacists actively inquired the latest research progress at home and abroad

and adjusted the dose of antiemetic drugs. Results: The clinician adopted the advice of the clinical pharmacist and controlled the vomiting of the child after increasing the dose of antiemetic drugs. Finally

the temperature of the child returned to normal after surgical treatment. Conclusion: Clinical pharmacists participate in clinical treatment

comprehensively analyze the causes of fever in children

search for the treatment progress of breakthrough of nausea and vomiting during chemotherapy

and assist physicians in adjusting medication

which is conducive to giving full play to the role of pharmacists in the treatment team.