The　adsorption　of　metal　atoms,　Ni,　Pd,　Pt,　Cu,　Ag　and　Au,　at　low-coordinated　edge　and　corner　oxygen　sites　of　MgO　(001)　surface　has　been　studied　theoretically　by　using　density　functional　method　with　cluster　models　embedded　in　a　large　array　of　point　charges.　For　comparison,　the　interaction　of　metal　atoms　with　perfect　regular　oxygen　site　of　MgO　(001)　surface　was　also　calculated.　As　regards　these　metal　atoms　adsorbed　at　perfect　oxygen　sites　of　MgO　(001)　surface,　Cu,　Ag　and　Au　are　very　weakly　bonded　to　the　surface　of　MgO;　Ni,　Pd　and　Pt,　on　the　other　hand,　exhibit　strong　interactions　with　perfect　oxygen　sites　of　MgO　(001)　surface;　the　large　adsorption　energy　shows　that　there　exist　strong　bonds　formed　between　these　metal　atoms　with　surface　oxygen　sites.　For　the　metal　atoms　adsorbed　at　edge　and　corner　sites,　the　adsorption　energy　is　much　increased,　consistent　with　our　previous　study　of　CO　and　Cl-2　adsorption　on　MgO　(001)　surface.　This　illustrates　that　the　low-coordinated　sites,　especially　corner　site,　are　more　advantageous　positions　for　those　metal　atoms　adsorbed　on　MgO　(001)　surface.　The　Mulliken　population　analysis　indicates　that　the　electron　transferred　from　MgO　to　the　metal　atoms　were　increased　with　the　decrease　of　the　coordination　numbers,　which　may　be　one　of　the　reasons　for　changing　catalytic　efficiency　and　selectivity　of　the　metal　particles　supported　by　MgO.