The invention discloses an adjustable barrel spotlight slide rail framework and belongs to the technical field of illumination lamp structures. The adjustable barrel spotlight slide rail framework comprises a top cover (1), a slide way bracket (7), a sliding limiting mechanism, a fixed connection plate (8) and a surface ring assembly (9), wherein the fixed connection plate (8) is in sliding connection with the slide way bracket (7) by the sliding limiting mechanism; the sliding limiting mechanism comprises a slide block (5), an abnormal spring (4), a limiting bracket (3) and a damping resilient sheet (6). By the aid of the device, a hole or a groove is not formed in the inner wall of the slide way bracket; the device has the characteristics of simple structure, low cost, easiness for maintenance and the like.