La0.6Sr0.4Co0.2Fe0.8O3-δ (LSCF) perovskites have previously emerged as efficient cathode catalysts for various electrochemical devices such as lithium-air cathode, since its superior chemical stability and mixed electron-ion conductivity. LSCF exhibits good activity for the oxygen evolution reaction (OER) as cathode catalysts. However, the activity on Oxygen Reduction Reaction (ORR) is still a barrier to be utilized as a catalyst for low-temperature electrochemical devices such as lithium-air battery. Bifunctional electrocatalyst is important to reduce the large overpotential involved the sluggish kinetics of the ORR and OER at the air electrode in lithium-air battery. In this work, palladium (Pd) contents were deposited on the nano-sized LSCF surface to improve its ORR activity in lithium-air battery. When the 20 wt.% Pd/Nano-LSCF were applied to cathode catalyst in Li-O2 battery, higher initial discharge capacity (16912 mAh g-1) compared with Nano-LSCF (6707 mAh g-1) was obtained. These results demonstrate the deposition of Pd can be an effective catalyst to enhance the ORR activity of perovskite LSCF.