This scientific article analyzes the importance of preventing the use of dialect words in native language lessons by primary school students. The article examines the impact of dialect words on students' written and oral speech. Dialect words often lead to ambiguous and random use of language, which prevents students from fully and clearly expressing their thoughts. In addition, the article analyzes the negative impact of the use of dialect words on speech culture, what obstacles this problem creates in the development of students' scientific and literary speech, as well as what approaches exist to overcome this problem. The importance of teachers' language teaching methods, the rejection of dialect words and the development of scientific speech by teaching students scientific and precise speech is emphasized.

native language, primary school, dialect words, students, speech culture, language teaching methodology.

Davronov, I. (2018). Ona tili va adabiyot darslarida nutq madaniyati. Toshkent: O‘zbekiston Respublikasi Ta'lim vazirligi.

Karimov, Sh. (2020). Boshlang‘ich ta'limda til o‘rgatish metodikasi. Toshkent: Yangi avlod nashriyoti.

Rasulova, N. (2017). Ona tili o‘qituvchilari uchun metodik qo‘llanma. Samarqand: Samarqand davlat universiteti nashriyoti.

Ismoilov, B. (2019). O‘zbek tilida shevaga xos so‘zlar va ularning ta'siri. Tashkent: Akademiya nashriyoti.

Mustafoeva, L. (2021). Boshlang‘ich ta'limda nutq madaniyati va o‘qitish metodlari. Toshkent: Fan va texnologiyalar nashriyoti.