Logistics trolley for stair transportation and control method thereof

The invention relates to a logistics trolley for stair transportation and a control method thereof. The trolley comprises a controller, a distance measuring module and a trolley body, the trolley body comprises a horizontal warehouse, a front wheel set, a middle wheel set and a rear wheel set, and the front wheel set, the middle wheel set and the rear wheel set are each provided with a driving steering engine; the horizontal warehouse is fixed to the middle wheel set, and the middle wheel set is rotationally connected with the front wheel set and the rear wheel set through longitudinal shafts. An acting steering engine is further arranged on the middle wheel set, and the acting steering engine changes the included angle between the middle wheel set and the front wheel set and the included angle between the middle wheel set and the rear wheel set by rotating the longitudinal shaft up and down; and the controller is in communication connection with the distance measuring module, the driving steering engine and