<p><br />This study proposes a number of criteria, investigates in Arabic dialects and its types, it is a secondary source study; in other words, information is collected from primary sources such as websites, books, action/empirical research, case studies, observations and so on. Arabic is one of the world's great languages. Its graceful script, magnificent style and rich vocabulary give the language a unique character and flavor. Arabic is the largest member of the Semitic language family which also includes languages like Hebrew and Aramaic. like most other Semitic languages, Arabic is written from right to left. The origins of the Arabic language go back to pre-Islamic Arabia, where the tribes spoke local Arabic dialects. Arabic is the official language overall Arab countries, it is used for official speech, newspapers, public administration and school. In Parallel, for everyday communication, nonofficial talks, songs and movies, Arab people use their dialects which are inspired from Standard Arabic and differ from one Arabic country to another. These linguistic phenomena is called disglossia, a situation in which two distinct varieties of a language are spoken within the same speech community. It is observed Throughout all Arab countries, standard Arabic widely written but not used in everyday conversation, dialect widely spoken in everyday life but almost never written. A lot of works have been dedicated for written Arabic. Arabic dialects at near time were not studied enough. Interest for them is recent. First work for these dialects began in the last decade for middle-east ones.</p>