The invention relates to a rotatable focusing spot lamp which comprises a lamp base, wherein the lamp base is connected with a rotary joint; the rotary joint is connected with a lamp head; a focusing device is arranged at the front end of the lamp head; a convex lens is arranged in the front end of the lamp head; the convex lens is connected with the focusing device; a light source module is arranged in the lamp head and located behind the convex lens; a power supply driving module is arranged between the lamp base and the lamp head; the rotary joint comprises a lamp pole and a universal ball head; the lamp pole is connected with the lamp base; and the universal ball head is connected with the lamp head. The rotatable focusing spot lamp has a focusing function and can be adjusted in angle.