The article examines the conservation and restoration works carried out in Azerbaijan during the years of H. Aliyev’s leadership. When the great leader came to power, some decrees were signed on the protection of historical heritage in Azerbaijan, 814 mosques were built in the republic from 1990 to now, 306 mosques are protected as architectural monuments. During these years, in Bibiheybat, Ajdar and Juma mosques, Muhammad mosque in Icherishehar, as well as Sumu gala, “Allah-Allah”, Sheikh Babi tombs, Pir Huseyn khanaghah, Shakikhanov’s house, Shah Abbas caravanserai, etc. restoration or conservation works have been carried out. The creation of the first historical and cultural reserves in the country has been evaluated since 1968 as the value given to our cultural heritage during the reign of Great Leader H. Aliyev. The Great Leader’s care for our cultural heritage can be evaluated as a deep respect for our history, ancestry, and identity, and he can be evaluated as a mediator in the integration of the culture of the Azerbaijani people into the world.