The article analyses the results of a comparative study and observation of the process of teaching the Uzbek language as a sister language in higher educational institutions of Uzbekistan. The purpose of the article is to study the issues of using a differential approach in the curriculum based on the peculiarities of sister and non-sister languages, the use of alternative textbooks and training manuals, and preparing future teachers to conduct activities in the Uzbek language in everyday, scientific and professional fields.
Sh.Sh. Yuldasheva (Sat,) studied this question.