Objective To explore the effects of family function on depression, activities of daily living, happiness index and quality of life among elderly hypertension patients. Methods From October 2015 to October 2017, we selected 80 elderly hypertension patients of Cardiovascular Department in the First Affiliated Hospital of Xinjiang Medical University by convenient sampling. All of the patients were divided into group of good family function and group of family dysfunction according to the Family Adaptation, Partnership, Growth, Affection and Resolve (APGAR). The scores were compared with the Self-Rating Depression Scale (SDS), Activities of Daily Living (ADL), Index of Well-Being Scale and 36-item Short form Health Survey (SF-36). SPSS 21.0 was used to statistical analysis. Results There were 47 (58.75%) patients in group of good family function and 33 (41.25%) patients in group of family dysfunction. The adaptation, intimacy, affection, growth and partnership of patients in group of good family function and the total score were superior to those in group of family dysfunction with statistical differences (P＜ 0.01). The scores of SDS and ADL of patients in group of good family function were lower than those in group of family dysfunction; the happiness index of group of good family function was higher than that of group of family dysfunction with a statistical difference (P＜0.01). The dimension scores of life quality of patients in group of good family function were higher than those of group of family dysfunction with statistical differences (P＜0.01). Conclusions We should pay attention to the family function of elderly hypertension patients, improve patients' happiness index, depression and ADL, so as to promote rehabilitation of hypertension patients.