Offshore telescopic floating drilling platform and drilling ship

The invention discloses an offshore telescopic floating drilling platform and a drilling ship, and relates to the technical field of drilling platform engineering, and the offshore telescopic floating drilling platform comprises a sliding device arranged on a ship body; the sliding platform is arranged on the sliding device in a sliding mode and used for installing drilling equipment, the sliding platform can slide on the sliding device in the transverse direction of the ship body till one end extends out of the ship body, and a reserved opening is formed in the end, extending out of the ship body, of the sliding platform and used for lowering a drill rod; and the driving device is used for driving the sliding platform to slide on the sliding device in the transverse direction of the ship body and enabling the reserved opening to extend out of the ship body. When rapid evacuation is needed in emergency, the drill rod is disconnected, part of the drill rod is left in situ, the sliding platform is retracted to