Various embodiments may relate to a lighting device including a first lighting unit for emitting a first illuminating light, a cover, and a photosensitive coating configured to clean the cover. The lighting device further includes a control device which controls the photosensitive coating to enter an operating state on the basis of whether a situation of ambient environment reaches a first preset condition, and/or which controls the photosensitive coating to enter a non-operating state on the basis of whether the situation of the ambient environment reaches a second preset condition. Furthermore, various embodiments also relate to a cleaning control method of a lighting device.