Objective To observe the family care ability of elderly chronic inpatients with informal older caregivers, and to analyze its influencing factors, so as to provide a reference for developing targeted intervention to improve their family care ability.Methods A total of 181 family older caregivers of elderly chronic inpatients were surveyed by using the Chinese version of the Family Caregi-ving Competence Scale for the Elderly (FCCSE).Results The participants′ total score of the FCCSE was (33.04±4.98).The results of multiple linear regression analysis showed that, the caregivers′ average monthly income, educational background, marital status, and self-perceived health status were the main influencing factors of family care ability in elderly chronic inpatients with informal older caregivers (all P＜0.05）, which explained 87.4% of the total variance.Conclusion Family care ability of elderly chronic inpatients with informal older caregivers is not optimistic.Government should pay attention to the common phenomenon of el-derly care under the aging society, improve corresponding policies and measures, so as to provide security for elderly care.