A foot massage apparatus comprises: a housing (5); a pair of replaceable footprint plates (4) with holes (40) arranged according to a particular foot massage pattern, which are placed on an upper plate (51) of the housing (5); protrusions (2; 3) protruding from the holes (40) of each replaceable footprint plate (4); a vertical adjustment mechanism provided in the housing (5), for adjusting the height of the protrusions (2; 3); a horizontal adjustment mechanism provided in the housing (5), for adjusting the horizontal position of the protrusions (2; 3); and a driving mechanism provided in the housing (5), for driving the protrusions (2; 3) to move up and down cyclically. The foot massage apparatus of the present invention has the advantages of enhancing a particular bodily function and fitting different foot sizes.