This survey research aimed to study the realization of environmental ethics of Rajamangala University of Technology Phra Nakhon students towards the refuse disposal problem and to analyze the factors that influence their realization of environmental ethics. The subject for this research was randomly selected from the undergraduate students. The instruments used in this research were questionnaires. The data were analyzed by percentage mean standard deviation and t-test. The research was found that 49.47 percent of the students had a high level of the realization of environmental ethics 30.37 percent had a medium level and 19.30 percent had a low level. Gender is not different.