The invention belongs to the technical field of shield construction, and particularly relates to shield equipment capable of breaking a tunnel portal and an out-of-hole method thereof. The problems that when an existing shield machine goes out of a hole, a tunnel portal of an underground continuous wall needs to be broken manually, consequently, the process is cumbersome, and potential safety hazards are prone to being caused are solved. The shield equipment comprises a shield machine and auxiliary equipment. The shield equipment out-of-hole method capable of breaking the tunnel portal is alsoprovided. According to the shield equipment for breaking the tunnel portal, a cutterhead of the shield machine is improved, a plurality of water drilling machines are evenly distributed at the positions, close to the edge, of the cutterhead, the water drilling machines provide tunnel portal cutting point positions for the cutterhead through rotation of the cutterhead, the underground continuous wall at the tunnel portal is completely drilled through, and by further utilizing hydraulic oil cylinders on the two sides of the tunnel portal, the cut underground continuous wall is jacked tightly tobe conveyed into a receiving well and hoisted out through a crane.