The invention discloses a metal hose capable of achieving quick connection. The metal hose comprises a hose body and joints fixedly arranged at the both ends of the hose body, and the joints include afirst joint and a second joint; the first joint comprises a first flange plate and a boss, and the first flange plate is fixedly connected to the hose body axially; the boss is fixedly arranged at the end, far away from the hose body, of the first flange plate, and the periphery of the boss is provided with a convex block; the second joint comprises a second flange plate which is internally provided with a cavity, and the end, far away from the hose body, of the second flange plate is provided with a groove matched with the convex block; the groove is connected to the cavity. The metal hose disclosed by the invention is novel in structure, quick in installation with and removal from other metal hoses, and easy to operate, and the working efficiency is improved effectively; and whether liquid leakage exists at the connection position of the metal hoses or not can be detected.