Objective: To investigate the causes of irrational use of drugs in elderly patients with hypertension and explore the nursing plan. Methods :100 patients with hypertension from December 2019 to December 2020 were selected to participate in this study. Results:Causes of irrational use in elderly patients with hypertension include unknown dosage

name (16/100)16.0%

caution (14/100)14.0%

missed or forgotten (13/100)13.0%

unknown mode (12/100)12.0%

self-medication or withdrawal (11/100)11.0%

self-medication (11/100)11.0%

side effects (10/100)10.0%

wrong medication (7/100)7.0%

and taking the same drug (6/100)6.0% at the same time. Conclusion:There are many reasons for irrational use of drugs in elderly patients with hypertension. It is necessary to carry out a comprehensive investigation and adopt targeted nursing intervention measures to improve the attention of patients to rational use of drugs

strengthen the management of drug use

and improve the therapeutic effect.