The present invention provides a continuous surface treatment apparatus of tridimensional-shaped polymer by plasma ion implantation, which includes a high frequency power supplying device for generating plasma for injecting ions, and having a high frequency power supplying unit, a matching box, and an antenna, a gas introducing unit for supplying process gas to be ionized for plasma, a gas supplying unit connected to the gas introducing unit, a processing chamber having a vacuum pump and the like, a leading-in chamber, and an leading-out chamber, which are installed before and after the processing chamber respectively with adjacent thereto, and are adapted to be gas-exhaustible, a transferring unit installed to sequentially pass by through the leading-in chamber, the processing chamber, and the leading-out chamber, transferring means for driving the transferring unit, and doors being positioned in the leading-in chamber and the leading-out chamber respectively, and in partitions between the leading-in chamber and the processing chamber, and between the processing chamber and the leading-out chamber respectively, and automatically capable of being opened/closed so that the transferring unit can pass by therethrough.