The invention discloses a waterless cleaning device for a solar cell panel. The waterless cleaning device comprises a rack, a chain drive device and a cleaning device, wherein the rack is driven by external force or is suspended on a photovoltaic array panel by a walking mechanism to move forwards or backwards; the chain drive device comprises a reducing motor, drive wheels, chain wheels, chain wheel shafts, chains and electromagnetic clutches; the chain wheel shafts are used for fixing the chain wheels; the chains sleeve the chain wheels respectively; advancing or retreating of the waterless cleaning device for the solar cell panel is controlled by whether the electromagnetic clutches are electrified or not; the drive wheels drive the chain wheels to rotate due to the reducing motor, so that the chains are driven to move; the cleaning device comprises a comb-like scraper blade, a hairbrush bar string, a high-voltage air-blow pipe, a dust scraper bar string, anther high-voltage air-blow pipe, another hairbrush bar string and another comb-like scraper blade, which are sequentially arranged on the rack in parallel; each hairbrush bar string comprises the chains and hairbrush bars; and each dust scraper bar string comprises the chains and dust scraper bars. According to the waterless cleaning device for the solar cell panel, one-man operation can be achieved; and the cleaning efficiency is 20-40 times that of manual cleaning.