The invention discloses a common-mode current suppression inverter, comprising a solar polar panel PV, wherein one output end of the solar polar panel PV is sequentially connected with one end of a capacitor C2 and the first end of a differential-mode and common-mode inductor L1, the other output end of the solar polar panel PV is sequentially connected with one end of a capacitor C1, one end of the capacitor C3 and the second end of the differential-mode and common-mode inductor L1, and the first end of the differential-mode and common-mode inductor and the second end of the differential-mode and common-mode inductor are dotted terminals. C1 is the solar polar panel; C4 is connected with the midpoint of the grounding parasitic capacitors C2 and C3; L1 is the integrated differential-mode and common-mode inductor; L2, IG1 and D1 constitute a boosted circuit; CD is the bus filter capacitor, C7 is connected with the midpoint of C5 and C6; IG2 to IG5 constitute a full bridge inverter circuit; L3, C8 and C9 constitute a differential-mode filter circuit;L3 is the integrated differential-mode and common-mode inductor, and L5 is the common-mode inductor.