يعتبر مِوضوع دِراسة اِلطبقة اِلاجتماعية إِحدى اِلموضوعات اِلبحثية اِلمهمة اِلتىِ تثير جِدلاّ وِاسعًا؛ نِظرًا لِلتداخل وِالخلط اِلنظرى وِالمنهجى, اِلذى يِعکس إِشکالياتِ عديدة لِدراستها وِقياسها وِتحديد حِدودها, نِتيجة اِلتباينات وِالاختلافات اِلأيديولوجيةِ والفکرية, بِاعتبار أِنها تِعکس طِبيعة اِلبنية اِلاجتماعية وِالتکوين اِلاجتماعى لِلمجتمع.ِ وتشير دِراسة اِلطبقة اِلاجتماعية إِلى اِلعديد مِن اِلإشکاليات؛ أِهمها: صِعوبة تِحليل اِلبناءِ الطبقى, وِالترکيب اِلطبقى لِهذه اِلمجتمعات؛ لِذلک يِناقش هِذا اِلمقال قِضية اِلطبقةِ الاجتماعية کِما تِناولها اِلتراثاِلبحثى بِمستوياته وِتياراته اِلنظرية. The study of the social class is considered one of the most important research topics, which is highly controversial due to the overlap and confusion of the theoretical and methodological, which reflects many problems to study, measure and determine its boundaries due to differences and ideological and intellectual differences. The study of social class refers to many problems, the most important of which are: the difficulty of analyzing the class structure and the class structure of these societies. Therefore, this article discusses the issue of the social class as well as the research heritage in its theoretical levels and streams.