Aluminum magnesium alloy hull

The utility model relates to the technical field of small boats, in particular to an aluminum magnesium alloy hull which comprises a left half hull, a right half hull, a hull bottom keel and a safety fence. The left half ship body is formed by connecting a plurality of first aluminum magnesium alloy profiles formed by die casting through sealing strips and bolts; the right half ship body is formed by connecting a plurality of second aluminum magnesium alloy profiles which are formed by die casting through sealing strips and bolts; the ship bottom keel is in a long strip shape with radian, and the cross section of the ship bottom keel is in an inverted pi shape. The left half hull is connected to a hull bottom keel through a sealing strip and a bolt; the right half ship body is connected to the ship bottom keel through sealing strips and bolts; the safety fence is connected to the upper edges of the left half ship body and the right half ship body through bolts. By means of the structure, the sealing performan