A foot system for parts of furniture and furnishing items with front adjustment levelling, wherein a foot (11) is positioned between a base or bottom (12) of a piece of furniture and a floor (P) in a space reduced in height (H), said foot (11) containing in its interior a height adjustment mechanism actuated from a hole or actuating point (13) by means of a maneuvering tool (14), the hole or actuating point (13) being positioned, in the system, at a lower free end of the foot (11) resting on the floor (P).