Waterproof cabin

The utility model relates to the technical field of underwater operation equipment, and particularly discloses a waterproof cabin, which comprises a waterproof shell used for accommodating an overall controller, the waterproof shell is a polygonal straight prism, each side surface of the waterproof shell is provided with a plurality of waterproof output ports used for being connected with electronic elements, and the waterproof output ports are connected with the electronic elements. One side face of the waterproof shell is provided with an operation switch used for controlling on-off of a power source of the waterproof output port, and the bottom of the waterproof shell is further provided with an air pressure balance valve used for adjusting and controlling air pressure, a buoyancy connecting valve used for being connected with a buoyancy adjuster and a cable interface used for being connected with and controlling an underwater robot. The bottom of the waterproof shell is detachably connected with a fixing