Abstract: Objective:To investigate the influencing factors of the sleep disorder in elderly hypertensive patients and its nursing countermeasures.Methods:The influencing factors of the sleep disorder in 80 elderly hypertensive patients were retrospectively analyzed.The sleep quality of patients was evaluated by Pittsburgh sleep quality index(PSQI),the patients with sleep disorder were treated with nursing intervention.The changes of sleep and blood pressure in sleep disorders patients were compared before and after the treatment.Results:The psychological anxiety and environment were the critical factors of sleep disorder in elderly hypertensive patients.After nursing intervention,the PQSI scores and blood pressure of patients were significantly lower than those in the patients at admission(P<0.01),and the PQSI scores of patients were significantly lower than that in control group(P<0.01).Conclusions:The psychological anxiety and environment are the main reasons of sleep disorder in elderly hypertensive patients.Only decreasing blood pressure treatment can decrease the PQSI score of sleep disorder patients,but the reasonable nursing intervention can significantly improve the sleep quality and effects of antihypertensive therapy of patients.