Analysis of modern methods of surface modification of light metals using external energy sources. Investigated materials, experimental procedures, description of equipment and scientific approaches. Structural-phase transformations and changes in the properties of an Al-Si alloy upon exposure to a pulsed multiphase (Al-Y2O3) plasma jet. Studies of the properties, phase composition and defective substructure of the surface layers of Al-Si alloys after an intense pulsed electron beam. Changes in structural phase states and properties of surface layers of Al-Si alloys after electron-ion-plasma effects. Use of intense pulsed electron beams for surface treatment of aluminum-based alloys.