The full-rotation tugboat comprises a boat body, a main engine and a propeller, wherein circular rubber fenders are installed at a head, stern and middle part of the boat body;
a V-shaped dead wood is installed at the stern of the boat; the bulwark of the boat body consists of an outer bulwark, an inner bulwark and a bulwark panel, wherein the outer bulwark is connected with the inner bulwark through the bulwark panel to form the totally-enclosed type bulwark; and the bulwark is arranged in the totally-enclosed type so that the bulwark of the boat is enhanced in strength, and the appearance of the bulwark is improved. The boat has the characteristics of safety, high efficiency and multiple functions.