Adjustable small crane

The invention relates to an adjustable small crane, which overcomes the defect that the small crane in the prior art cannot be used in various different environments. The adjustable small crane comprises a main engine seat (13), as well as a stand column sleeve (14) and a main motor (12) which are arranged on the main engine seat (13), a steel wire rope (30) on the main motor (12) is connected with a lifting hook (27) after being guided by a vertical lever pulley (5) and an arm lever pulley (29), the adjustable small crane further comprises a vertical lever assembly and an arm lever assembly, the vertical lever assembly comprises an upper vertical lever (2) and a middle vertical lever (4), the arm lever assembly comprises an outer arm lever (21) and an inner arm lever (23). The adjustable small crane can be adaptively arranged in variable places for use, and has the characteristics of being simple in structure, convenient to use, and wide in application range.