This research aims. To study public opinion on public services and infrastructure of the state of collision tambon administrative organization. Phetchabun.Phetchabun. By personal factors, including gender, age, education, occupation and monthly income. The samples used in the study, including people living in the area of collision tambon. Using the method of sampling.Using the formula of Taro Nakayama Ne (taro yamane) tool used to gather data was the comment. Have a scale (rating scale) and analyzed for frequency distribution (frequency), percentage (percentage).() Standard deviation (standard deviation (s.d.) the t test (t-test) and test the f (f-test).