Concealed knob type bathroom faucet

The utility model relates to the field of knob type bathroom faucets, and discloses a concealed knob type bathroom faucet which comprises a bottom plate and a sliding block, an installation box is fixedly connected to the outer wall of the front end of the bottom plate, and a first valve and a second valve are fixedly connected to the two sides of the inner wall of the rear end of the installation box through bolts respectively. A cold and hot water mixing box is fixedly connected to the inner wall of the middle of the rear end of the mounting box through bolts, knob connecting bases are arranged in the middles of the outer walls of the front ends of the first valve and the second valve, and a faucet connecting base is arranged in the middle of the outer wall of the front end of the cold and hot water mixing box. According to the utility model, the mounting box can be supported through the sliding blocks, so that the mounting box is more stable in long-term fixation, and the mounting box is not easy to fall o