In previous local elder policy research, most studies were fragmented with only some subjects or some steps in the policy process and attention to the local policy process not included explicitly. This article aims to analyze Thai local elderly policy formulation, implementation and evaluation and to propose guidelines for Thai local elderly policy development. This was a qualitative study. Data were collected using in-depth interviews with 40 key informants from 5 local case studies and 8 national organizations, as well as observations and documentary studies. Data were analyzed using thematic analysis and analytic induction. For the policy content dimensions, the guidelines of policy content development of the case studies aim to make senior citizens happy, self-sufficient, and physically and mentally healthy. The means to achieve this are comprised of the following:1) an economic, career, and income stability dimension; 2) a health dimension; and 3) a social dimension. For the policy process dimensions, the guideline of policy formulation comprises of the following: the related national policy dimension, including developing the mindset of policy actors, developing the content of policies with clarity that is up-to-date and congruent with key agreements or related principles, and developing a participation process and communication of the policy. The local policy dimension is locally aged society strategic planning based on strategic management and objectives and key results (OKRs) derived from the results of data analysis, integration of public policy theory, resource-based view in strategic management theory, and objective and key results to reduce the limitations of the public policy theory and model. This comprises developing policy actors’ mindsets, competencies, and motivations, collecting information, creating participation for analyzing and formulating direction, and making local elderly society strategic plans. The guidelines of policy implementation comprise the following: creating knowledge and understanding, organizing a central organization, implementing a strategic plan, formulating strategies for implementing and integrating amicable coordination of networks, seeking and allocating tangible and intangible resources, developing competencies of local government personnel, network partners, and target groups, creating and developing a culture supporting the aged society, and creating internal and external motivation. The guidelines of policy evaluation comprise the following: the development of the evaluation competency, the growth and ethical mindset, and the development of a participatory local policy evaluation system. Based on the results of this study, the guidelines focus on the intangible resources, the internal motivation, the mindset of policy actors, the coordination and strength of networks, and the upper-level policy factors.