The purpose of this research was to study the impact of the accounting professional ethics in the practice of accounting in Lampang Province. A questionnaire was constructed to collect data from 172 from accountants registered with the Department of Business Development in the Province. Data were analyzed using descriptive statistics as frequency, percentage, average, standard deviation, and statistical inference analysis. the technique of multiple regression.

The research showed that The top five accounting professional ethics influence the effective operation of Accounting in Lampang Province. The positive aspects are related statistically significant at the 0.05 level. The most regression coefficient equal to 0.064 in Transparency Independence Objectivity and Integrity and the knowledge  capability and performance standard. Regression coefficients least equal to 0.052.