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A new kind of AlNiLaCe high entropy metallic glasses (denoted as HE-MGs) ribbons were prepared by arc melting and melt spinning. The effects of (AlNi) / (LaCe) ratio on the microstructure and electrochemical corrosion behavior of HE-MGs were studied. The phase structure, thermal stability and hardness of these ribbons were determined by X-ray diffraction (XRD), differential scanning calorimeter (DSC) and Vickers hardness tester. The surface morphology and corresponding element distribution of these ribbons were characterized by scanning electron microscope (SEM) and energy dispersive X-ray spectrum (EDS). The electrochemical corrosion behavior of several AlNiLaCe HE-MGs ribbons in 3.5 wt.% NaCl solution was investigated by polarization curve (Tafel), and the corrosion products of Al25Ni25La25Ce25 ribbons were tested by XRD. The results show that with the increase of Al content, AlNiLaCe high entropy amorphous alloy ribbons are mainly comprised of amorphous phase and Al-rich intermetallic compounds. The increase of (AlNi) content in the alloy ribbons leads to the gradual improvement of their thermal stability and hardness. The maximum hardness of Al35Ni35La15Ce15 high entropy amorphous alloy ribbons is about 470 HV0.1. Through electrochemical corrosion experiments, it is found that compared with AZ91 magnesium alloy, the corrosion potential of AlNiLaCe alloy ribbons is higher and the current density is one order of magnitude lower than that of magnesium alloy.