Taking into account that in Uzbekistan, great attention is being paid to the establishment of new gardens and vineyards, the expansion of the area of forests, the greening of roads and avenues, and the amount of pruning works will also increase. As a result, it is expected that the size of the branches formed because of their shaping and pruning will increase, and this bushy tree requires additional processing and consideration of the possibilities of their targeted use in order to prevent the accumulation of branches. In article it is analyzed the formed volumes of pruning trees, foreign experience in processing and using them. According to the analysis, it was revealed that in the coming years in the Republic the volume of cut branches of trees increases by 2 times and there is a need to use them as firewood with cutting them 100-400 mm long. Based on this, the development of an effective device for chopping cut tree branches in the required size in order to use them as firewood in areas is relevant.