Although it has not been long since phraseology was formed as a separate part of linguistics, the history of its origin goes back to the early periods of language development. From the studies carried out on phraseology, it turns out that phraseologisms appeared together with the language and developed along with the language. The main focus of phraseology is on the study of phraseologisms. This article covers the classification of Italian phraseologisms and the nature of number-component phraseologisms and the symbolism of numbers in Italian