The article tried to highlight the reasons and new aspects of the increased importance of improving the system of supporting the positive impact of export and import on economic growth in our country. The characteristics and tasks of using its effective tools and methods are described based on learning the experiences of the world practice of effective foreign economic activity and the modern trends of the mechanism of promoting export and import through taxes. In the socio-economic development prospects of the Republic of Uzbekistan until 2030, directions for supporting the positive effect of effective export on economic growth are justified.