This research aimed to: 1) develop an elderly quality of life promotion model for self-reliance through community product processing: 2) develop community product processing to promote income of the elderly and: 3) promote coexistence activities among the elderly. The research was qualitative research using document examination an in-depth interview with 10 key informants group discussion and non-participant observation. The results showed that: 1) the development of an elderly quality of life promotion model for self-reliance through community product processing encouraged the participation in the community product processing among the elderly: 2) the community products were processed in the community to promote income for the elderly and: 3) the community in collaboration with the municipality promoted the coexistence of the elderly. A new model discovered from the development of quality of life using processing community products was an integration of community knowledge management in processing community products based on the sufficiency economy philosophy. This research led to new the findings as follows. 1) The community participation from the associates included community municipality government organizations educational institutes and supporting organizations. 2) The products focused on herbal products for the elderly that were found in the households easily found and were medicinal plants for cooking such as Moringa lemongrass pandanus Indian Gooseberry etc. 3) The guidelines for promoting activities in coexistence of the elderly included elderly school activities volunteer activities Buddhist important day activities traditional activities and community enterprise members.

The objective of this research was to study the strength of community and the way to strengthen community based on self-sufficiency economy. The data were collected through the sample in 145 households at Chalermkiatpattana Village Huay Sat Yai Sub-district Hua Hin District Prachuapkhirikhan Province. The study discovered the following results: 1. The average rating scale of communitys strength of Chalermkiatpattana Village Huay Sat Yai Sub-district Hua Hin District Prachuapkhirikhan Province was at high level (71.5%). When considering the strength factors individually the result was found that; -The rating scale of strength in Learning Process and Religion and Culture were at high level 73% and 81% respectively. -The rating scale of strength in Self-sufficiency Economy of the Community was at moderate level (60.5%). 2. The ways to strengthen community of Chalermkiatpattana village Huay Sat Yai Sub-district Hua Hin District Prachuapkhirikhan Province were based on self-sufficiency economy concerning with 3 factors; Learning Process Religion and Culture and Selfsufficiency Economy of the Community. The results of these factor relationships were; -The relationship of Self-sufficiency Economy of the Community and Learning Process was at high level (r=.794). -The relationship of Self-sufficiency Economy of the Community and Religion and Culture was at high level (r=.729). -The relationship of Learning Process and Religion and Culture was at high level (r=.723). The Self-sufficiency Economy of the Community (r=.950) the Learning process (r=.901) and the Religion and Culture (r=.913) had a high level of relationship with the strength of community.