The results revealed that most of participants were during 12-19 and 20-29 years old (29.7%). They were average 50-59 kilograms (27 %) and 160-169 centimeters tall (48.6%). 78.3% of most participants were without underlying disease. However, for those with underlying disease, they were with underlying disease more than 5 years at 21.6%. The analysis of data in terms of the general information, environment and habitats, knowledge of nutrition and the behavior with nutrition which affected the over nutrition and obesity showed that there was no significantly relationship between over nutrition and obesity of monks and novices in Tambon Maeka Municipality, Amphoe Mueng, Phayao Province at 0.05 level.