The objectives of research were to 1) study the knowledge of waste management at Phra-Yot-Mueang Kwang fort, Nakhon
Phanom province 2) study the level of waste management according to Sufficiency Economy Philosophy and 3) compare waste
management according to Sufficiency Economy Philosophy in terms of personal characteristics and their knowledge of waste
management. A total of 217 people in Phra-Yot-Mueang Kwang fort, were included in this study. A questionnaire method was
used as a research tool for collecting data. By employing ready-made computer programs, statistics used to describe data and
generate results included frequency, percentage, mean, standard deviation, t-test and one-way analysis of variance (One Way
ANOVA). The study found a high level of knowledge of waste management in Phra-Yot-Mueang Kwang fort. The overall result
of behavior of waste manage according to sufficiency economy philosophy of was at moderate level, with the moral and
knowledge conditions were at the highest level while reasonableness, moderation and self-immunity were at moderate level.
The study finally found that there was no difference among personal characteristics and the knowledge of waste management.