The utility model discloses a leaf spring of no coulomb's friction power, including a plurality of flat spring that superpose and link together in proper order, adjacent two be equipped with the isolating pad piece, adjacent two in the middle of the flat spring be equipped with wear -resistant pad between the flat spring outer end, the utility model discloses on original leaf spring's basis, middle part pads isolating pad piece between each flat spring, at the wear -resistant pad that tip position pads is wear -resisting, the greasy property is good, the one side can separate flat spring through isolating pad piece and wear -resistant pad like this, an elimination piece coulomb friction, on the other hand can eliminate the coulomb friction between the flat spring tip through tip wear -resistant pad, has improved leaf spring flat spring 3 greatly, has also improved driving travelling comfort and ride comfort.