In the article, the works written by the poets of the school of the famous holy man Khwaja Ahmad Yasavi, including Sheikh Khudoidad and other followers, as well as several sources are comparatively analyzed through the research of Uzbek and foreign scholars. The article compares the researches of the English scientist J.Trimingham and the American scientist Devin DeWeese with the researches of Uzbek, Turkish, and Kazakh scientists.