This report is part of a major dialect a report on The lexical Variation between three Generation of the Northern Thai dialect in Phayao province,Thailand is intended to study the history of the northern dialect and the language that each generation has a northern English how much different for education guidelines to promote experiences regarding the use of dialect, who later recognizes the dialect itself that is important and has a presence in each generation
 The production hopes the report is will be useful to readers students who are looking for information on this subject is. If you have a suggestion or any errors. Those who make a request shall accept and sorry for this inconvenience.