Camera lens cleaning device and cleaning method

The invention discloses a camera lens cleaning device which is characterized in that a cleaning device body (2) is arranged on the side edge of a camera (1), the cleaning device body (2) comprises a storage bin (21) arranged on the side edge of the camera (1), a mechanical arm (22) is arranged in the storage bin (21), a rotating disc (23) is arranged at the end of the mechanical arm (22), wiping cloth (24) is laid on the rotating disc (23), and the cleaning cloth (24) is arranged on the side edge of the camera (1). A water path structure (3) for supplying water and discharging sewage is arranged on the storage bin (21), the wetted disc-shaped wiping rag (24) conducts cleaning in a rotating mode, the lens cleaning capacity is higher, meanwhile, the self-cleaning function is achieved, it is guaranteed that the wiping rag (24) used every time is clean, and in addition, the disc wiping rag (24) is stored in the bin when not working and can be kept clean; meanwhile, an automatic device is arranged, remote starting