Objective: To probe into the rational application of pediatric compound amino acid injection (19AA-I)

and improve the qualified rate of parenteral nutrition prescription with 19AA-I preparation. Methods: The application of 19AA-I and compound amino acid injection (18AA-II) in parenteral nutrition prescription in our hospital from Feb. 2018 to Feb. 2019 was analyzed. The application specifications of 19AA-I were clarified

and pharmaceutical intervention was performed on the indication

usage and dosage. The reference for clinically safe

effective and economical application of amino acid injection was provided. Results: According to the application specifications of 19AA-I formulated by our hospital

the pharmaceutical intervention was implemented

the unqualified rate of parenteral nutrition prescription with 19AA-I decreased from 49.3% to 5.3%

and the prescription with irrational amino acid dosage decreased from 30.7% to 4.0%. Conclusion: Through the formulation of application specifications of 19AA-I

pharmaceutical intervention has significantly improved the rational application rate of 19AA-I by clinical pharmacists. Pharmaceutical intervention plays a key role in ensuring medication safety and avoiding waste of resources.