The research objectives were 1) to study the public opinions towards the service quality of tax collection in Khlung District Administration Organization in Chanthaburi 2) to compare the public opinions towards the service quality of tax collection in Khlung District Administration Organization in Chanthaburi. The personal factors of genders, ages, educational levels, occupations and incomes were studied in this research. The research populations were the 282 people. The research instruments were a questionnaire with the reliability level of .91. The descriptive statistics were percentage, mean, standard deviation, t-test and one way analysis of variance.