Disclosed is a manufacturing method of a keypad for a mobile phone and the keypad manufactured thereby, in which a vacuum deposition layer and a cellophane paper are attached to a lower surface of a key in the keypad. The keypad for a mobile phone includes a plurality of keys, each key includes a key body of a transparent resin material and a high-hardness transparent coating layer coated onto a surface of the key body in order to increase hardness, and each key comprises a key background color paint layer for color presentation, coated onto a lower surface of the key body; an opaque paint layer coated onto a lower surface of the key background color paint layer; a transparent marking portion formed by performing a laser processing according to a shape of a numeral, a character, or a symbol with respect to the lower surface of the key body so as to remove the color paint layer and the opaque paint layer; a metallic vacuum deposition layer formed on the lower surface of the key body and a lower surface of the opaque paint layer; and a transparent color-printed layer or a cellophane paper attached to a lower surface of the metallic vacuum deposition layer so as to present various colors.