The invention discloses an intelligent hidden type mop pool comprising a mop pool body, a slide rail assembly and a brake assembly; the slide rail assembly comprises slide rails and a motor; the slide rails comprise fixed rails and movable rails, the fixed rails are fixed at both sides of a mounting cabinet, and the movable rails are connected with both sides of the pool body. The movable rails at both sides of the pool body are connected with the motor through a motor mounting bracket; the motor is connected with a transmission shaft; both ends of the transmission shaft are fixedly provided with gears; the fixed rails are fixedly provided with racks meshed with the gears. The brake assembly comprises a shifting fork mounting seat fixed on the motor mounting bracket, the shifting fork mounting seat is hinged with the middle part of a shifting fork, one end of the shifting fork is connected with a tractor, the other end of the shifting fork is connected with the head part of a brake pin in a clamping manner, and the tail part of the brake pin is matched with gear roots of the gears. The intelligent hidden type mop pool achieves automatic opening and closing processes of the mop pool body; and moreover, the intelligent hidden type mop pool is also provided with a sewer pipeline system which is flexible in rotation and has odor-resistant and water seepage-preventing effects.