This is a professional equipment for the maintenance of automobile automatic gearbox. The core function is to efficiently and thoroughly replace the old oil and clean the internal impurities through circulation without dismantling the gearbox. The appearance takes science fiction movie mecha as the design element, the general block cut folding surface design highlights the strong scientific and technological sense of the product, the contrast color design makes the product more layered, and the 30-degree inclined panel design conforming to the humanized operation experience is adopted. The appearance of the whole product is clear and conforms to the simple manufacturing of processing. The integrated through-type handle makes the product more integrated. The left cleaner bottle can be covered with a lid to make the whole more sense, and the heat dissipation hole to make the product more refined.