Mast of drilling machine and rotary drilling machine

The utility model discloses a mast of a drilling machine, which comprises a moveable mast (1), a main mast (2), a cylinder (9), a first connecting rod (6) and a second connecting rod (7), wherein the moveable mast (1) and the main mast (2) are hinged with each other; the cylinder (9) is mounted on the moveable mast; one end of the first connecting rod is hinged with the moveable mast; one end of the second connecting rod is hinged with the main mast; and the other end of the first connecting rod, the other end of the second connecting rod and a piston rod (10) of the cylinder are connected with each other through a first pin shaft (8). The utility model also discloses a rotary drilling machine which comprises the mast of the drilling machine. The assistance of other engineering machinery is unnecessary in the mast of the drilling machine, the unfolding and folding of the mast of the drilling machine can be realized by only one person, the labor intensity of the operator can be reduced, the labor efficiency is