This master thesis includes 65 pages, 5 pictures, 4 tables, 41 literary sources, in the Lithuanian language. The object of this final work is leasing. The purpose of this study is to discuss theory and practice of leasing, describe problems, which hinder Lithuanian leasing market development and prognoses leasing market perspectives. In order to reach the purpose of this work it is important to solve the following problems: • to specify the essence and necessity of a leasing; • to overdraw the advantages and disadvantages of leasing; • to research the main leasing stages in Lithuania; • to research main leasing evolution stages in world and in Lithuania; • to structure leasing payments; • to make an analysis of Lithuanian leasing market. Specifing the essence and necessity of a leasing, overdrawing the advantages and disadvantages of leasing, researching the main leasing stages in Lithuania and analysising the leasing market of Lithuanian it was used books of national and foreign authors, various literature source of teaching means and scientific articles. Also it was used the methods of comparison, calculation of real present value, structural analysis and quantitative (qualitative) changes analysis.