Cleaning base and surface cleaning device

The present disclosure provides a cleaning base, which is applied to a surface cleaning device and through which a surface to be cleaned is cleaned, comprising: a housing part including an accommodating space and a suction inlet communicating with the accommodating space; the outer contour of the first rolling brush part is conical or approximately conical, the first rolling brush part is rotatably arranged on the shell part and is arranged in the containing space in a suspended mode, and the first rolling brush part is transversely arranged in the containing space; wherein the number of the first rolling brush parts is two, and each first rolling brush part comprises a fixed end and a free end; the free ends of the two first rolling brush parts are close to each other, a gap is formed between the free ends of the two first rolling brush parts, and the gap is arranged adjacent to the suction inlet; and the first rolling brush part is arranged in a manner of deviating from the suction inlet from the fixed end