Each year the Library collection enlarges of about 5000 volumes. The Main Library leads the central acquisition for the whole library information system of the University.
The basic source of document acquisition is purchase and subscription, which let the planned acquisition to be made. When purchasing the Library uses desideratas of the faculty.
Other source of collection increase is an exchange. It permits to gain the low circulation publications from other universities. The Library receives also part of medical publications which the Library of Adam Mickiewicz University in Poznań receives as a legal deposit copy.
The substantial contribute to the Library collection are donations from publishers, foreign foundations and private people. In such a form the Library usually gets conference proceedings and journals.