In this monograph, the periods of historical development, historical forms of display pronouns, the occurrence of these pronouns in written monuments are studied on the basis of sources. The use, morphological, syntactic features of demonstrative pronouns in the modern Uzbek literary language are studied on the example of modern Uzbek literature. One of the important aspects of the monograph is a detailed analysis of synonymy and variants of demonstrative pronouns in it. In addition, the features of the use of demonstrative pronouns in functional styles are revealed by the authors. At the same time, information about the features of each style also enriched the monograph in a scientific way. The monograph is important because all sides of demonstrative pronouns are investigated holistically.