Objective To investigate the influencing factors on the nursing ability of caregivers who provide service for elderly Methods patients with cardiovascular disease in medical and nursing combination institutions. A total of 276 caregivers who provide service for elderly patients with cardiovascular disease in medical and nursing combination institutions in Beijing urban area were selected as research subjects using the judgment sampling method. The Chinese Caregiver Task Inventory, eHealth Results Literacy (eHL) Scale and Sense of Coherence (SOC) Scale were used to investigate the nursing ability, eHL and SOC. The scores of nursing ability, eHL and SOC of the caregivers were (28.3±6.1), (17.0±5.9) and (69.0±9.4), respectively. The results of multiple linear regression analysis showed that caregivers who regarded the occupation as a career, had general or good subjective income, cared for disabled subjects, had a good basic knowledge of cardiovascular disease and qualified eHL had P P Conclusion relatively high nursing ability (all <0.01). The higher the SOC score, the higher the nursing ability ( <0.01). Occupational recognition, subjective income, master the basic knowledge of cardiovascular diseases, disability of nursing patients, eHL and SOC were factors affecting the nursing ability of caregivers who provide service for elderly patients with cardiovascular diseases in urban medical and nursing combination institutions.