Data about semi-desert vegetation of Shirvan of Azerbaijan have been shown in the paper. Semi-desert territory distributed till 1000 (1100) – 1300 (1600) m above sea level. Species components of Artemisia lerchianoso — Salsola dendroidesosum and Artemisia lerchianoso — Efemeretosum associations have been established. Quantity of taxon’s in semi-deserts for 2010–2014 years have determined. Semi-desert vegetation of Shirvan formed by 3 class, 3 formation and 9 association have been established.