High-efficiency blood sampling and transfusion robot

The utility model relates to the technical field of medical instruments, and discloses a high-efficiency blood sampling and transfusion robot which comprises a robot body, a bearing table of the robot body is provided with a carrying block, the front end of the carrying block is fixedly connected with a locking mechanism, the side face of the front end of the carrying block is provided with a connecting handle, and the connecting handle is fixedly connected with the locking mechanism. An adjusting display screen is arranged at the front end of a bearing table of the robot body, a connecting clamping block is fixedly connected to the bottom end of the side face of the carrying block, and a fixed limiting block is arranged on the bearing table of the robot body; by means of the locking mechanism, in the using process, a user stretches the arm into the inner side of the locking mechanism, a switch is started, the locking mechanism can automatically lock the arm, blood vessels are expanded, meanwhile, the arm can