OBJECTIVE: To probe into the rationality and influence factors of nasogastric dosing

and propose rational suggestion

so as to promote the rationality and normalization of nasogastric dosing in primary hospitals.METHODS: Retrospective analysis was adopted to inspect the nasogastric dosing on inpatients in Xiaolan Hospital Affiliated to Southern Medical University during 2017-2018

HIS and Excel software were used for the classification

summarizing and analysis on case numbers

distribution of dosage form

drug combination and irrational medication of nasogastric dosing.RESULTS: Totally 1 268 patients with nasogastric dosing was inspected

involving 303 categories of drugs

and the application frequency reached 23 920; the number of drug varieties administered simultaneously was up to 15; there were 131 case-times of adverse drug interactions; there were 3 689 case-times of inappropriate choice of dosage forms for nasogastric dosing

with the irrational medication rate was 15.42%（ 3 689/23 920）.CONCLUSIONS:There are irrational application of nasogastric dosing in primary hospitals

clinical pharmacists should give full play to their professional expertise to implement prior intervention to improve the rationality and normalizing of nasogastric dosing

and promote medication safety.