1. A method of manufacturing a shield can for blocking electromagnetic waves, the shield can comprising a lid and a frame assembled to each other, the method comprising:supplying a first metal band for manufacturing the lid by intermittently drawing the first metal band from a bobbin around which the first metal band is wound in a roll shape, and supplying a second metal band for manufacturing the frame by intermittently drawing the second metal band from a bobbin around which the second metal band is wound in a roll shape;
pressing each of the first and second metal bands thus supplied so that the lid and the frame are continuously formed on the first and second metal bands and remain on the first and second metal bands by connection bands;
cleaning and drying the first and second metal bands thus pressed;
intermittently supplying the first metal band thus cleaned in an upper side, and intermittently supplying the second metal band in a lower side of the first metal band, in parallel to each other;
attaching a first shielding tape to a lower surface of the lid on the first metal band;
assembling the lid and the frame by cutting the connection bands of the lid to which the first shielding tape is attached and the frame to which the shielding tape is not attached; and
attaching a second shielding tape to a lower surface of the frame assembled to the lid.