Intelligent fuming cupboard

The invention relates to the field of machines, in particular to an intelligent fuming cupboard. The intelligent fuming cupboard comprises a fuming cupboard body. The side of the fuming cupboard body comprises an opening door capable of being lifted. The opening door is connected with a lifting line. The lifting line is wound around a fixed pulley rotationally installed on a bearing seat. The intelligent fuming cupboard further comprises a connecting rod penetrating the bearing seat and the fixed pulley. Each of a driven stepping belt transmission wheel and a driving stepping belt transmission wheel comprises teeth and the teeth comprise grooves. The teeth comprise the grooves, lines can be contained in the grooves, the driven stepping belt transmission wheel can be used as a stepping belt wheel, meanwhile, the function of the fixed pulley can be achieved, and a different two-in-one achieving structure is provided.