An optical information recording medium, recording and reproducing method and device for same, and an optical pickup, which enables high-density recording and high-speed recording. Recording or reproduction is performed to or from the optical information recording medium having a track pitch Tp of 1.0 mTp1.2 m, using laser light having a wavelength of 770 nm830 nm, and a spot diameter Sd of 1.1 mSd1.3 m.