Provided is automatic shading goggles in that a welding helmet is manufactured in a goggle shape, so that the size thereof is compact and the weight thereof is light and a shading degree of a LCD lens can be selectively adjusted in any one mode of a welding mode for shielding a harmful light generated during welding operation and a security mode for shielding a visible ray, so that it can reduce a burden of the weight applied to a worker, block a strong light during welding operation, and easily distinguish the surrounding objects, when the welding operation is not performed.