Abstract: A system for monitoring patients that perform a medical self-check includes a piece of equipment having a data entry unit, through which a user can enter one or more data; a user identification unit having a mother board configured to request a univocal identification datum and verify the identification entered by the user after the request; a clinical data acquisition unit configured to acquire one or more clinical data of the user after a positive user identification; a mobile telephony system; and at least one, preferably a plurality of diagnostic centers located in different parts and placed in communication with the piece of equipment through the mobile telephony system such that, in use, the piece of equipment transmits the data acquired through the mobile telephony system to a diagnostic center, so that the center can monitor and file such data.