Abstract: The one body style keypad according to the present invention has the advantages that a keypad of ultra-thin dimensions is obtained, a visually high-quality presentation is realized due to the inherent luster of synthetic resin, and the manufacturing costs can be reduced because of low-cost synthetic resin unlike conventional keypads, since a key top, a base, and a front housing are formed into a self-contained single unit by the thin strip made of a synthetic resin member with respect to an one body style keypad according to the present invention.