The invention discloses a small automatic stirrer. The small automatic stirrer comprises a stirrer seat (3), left and right guide columns (8), a guide column connecting plate (14), a stirrer body (32), a stirring barrel (34), a controller (18) and a lifting mechanism. The lifting mechanism comprises a lifting air cylinder (42), an adjusting rod and a movable beam (13). The lifting air cylinder (42) is fixed to the stirrer seat (3), the movable beam (13) is arranged on the left and right guide columns (8) in a sliding mode, the fixed end of the adjusting rod is fixed to the movable beam (13), the movable end of the adjusting rod is movably buckled on a piston rod of the lifting air cylinder (42), a stirrer body fixing seat (25) is fixed to the movable beam (13), the stirrer body (32) is fixedly arranged on the stirrer body fixing seat (25), and a stirring paddle (33) of the stirrer body (32) stretches into the stirring barrel (34). A scraper mechanism is arranged on the movable beam (13). By the adoption of the structure, the advantages of being simple and reasonable in structure, convenient to operate and use, high in speed, uniform in stirring, good in uniformity, capable of achieving automatic descaling, particularly suitable for small production and temporary stirring and the like.