In the implementation of the policy for the elderly, the nurses who have the competency to pull out their potential power to continue living with several stakeholders' support are required to provide care in the community. Community nurse in Thailand has the responsibility to deliver adequate medical care and also social care for the elderly. The study aimed to identify the role of community nurse in the implementation of Thai health policy for the elderly. Codes regarding the role of community nurse in the implementation of Thai health policy for the elderly were extracted from descriptive data interviewed with 15 policy implementors in Thailand. The codes were categorized by similarities using thematic analysis. The role of community nurse was 16 categories and 102 codes out of factors promoting implementation of Thai health policy for the elderly, with 27 categories and 416 codes. The main roles were Coordination, Service delivery, and Monitoring and evaluation, composing seven categories and 45 codes, eight categories and 51 codes, and one category and six codes, respectively. It was conspicuous in coordination mechanisms, especially between the organizations and disciplines in providing Primary Health Care. Both health promotion activities and medical treatment were crucial roles for community nurses. The role of community nurse was one of promoting factors of Thai health policy for the elderly. The community nurse acts as a lubricant between the hospital and the community, which means that the community nurse implements seamless service delivery for the elderly integrating medical care and welfare.