Ship mast

The invention belongs to the technical field of ship masts, and discloses a ship mast which comprises an inner passage, an outer passage and a mast body inclined from bottom to top, the mast body is hollow, the inner passage and the outer passage are arranged on the inner side and the outer side of the mast body respectively, and at least one operation platform is arranged on the mast body. Operators can switch and select to pass through the inner passage or the outer passage through the operation platform. An operator can choose to climb the mast body main body from the internal passage or the external passage to overhaul a lamp line on the mast body main body, the internal passage is suitable for severe weather environments and protects the climbing safety of the operator, the external passage can be used as a standby passage and is suitable for overhaul of a lower lamp line, and the mast body main body is obliquely arranged, so that the maintenance of the lamp line is facilitated. The working platform is c