For the first time, the amino acid composition of peach leaves harvested in the Republic of Karakalpakstan was studied. Choosing the content's qualitative and quantitative components of amino acids in peach leaves was carried out by high-performance liquid chromatography. 20 proteinogenic amino acids are present, of which eight are necessary (valine, methionine, phenylalanine, threonine, leucine, isoleucine, and tryptophan), 2 partially replaceable (histidine and arginine) and 10 replaceable amino acids (alanine, asparagine, glutamine, aspartic and glutamic acids, proline, glycine, cysteine, tyrosine, serine). The total amino acid content was 29.05 mg/g (2.9%), of which 6.8861 mg/g (0.69%), including histidine, were irreplaceable and 22.16 mg/g (2.22%), including arginine, were replaceable in terms of completely dry raw materials.