The bilingual is able to apply two Language equally or inequally in speaking, Writing….In general, two possible result of bilingualism is; maintainess of two Language and choice of the other Language. Domain analysis of Language with Language attitudes are the principles determinant of people Language selection. Domain analysis is a tool for determining the quantity of Language choice while Language attitudes indicates the reasons or causes of Language selection in a situation or circumstance. The results of this study showed that Ferend Domain has the highest gilaki Language use (%14), and the Family Domain(%12), Neighbor(%6)Education(%4) and Government(%3), respectively has Language uses. Overally, Language use was % 5 in Gilaki Language% 83 in Persian Language, %12 in both Language . In each Domains, there is not significant statistical differences among stand of Education and there is significant statistical differences among genders.
