Lamp tube cleaner and lamp tube cleaning device

The utility model discloses a lamp tube cleaner which comprises a metal ring and a plastic sheet, the metal ring comprises an upper pressing ring and a lower pressing ring, a clamping groove is formed between the upper pressing ring and the lower pressing ring, the plastic sheet is annular and is provided with a cleaning hole matched with the outer diameter of a lamp tube, and the periphery of the plastic sheet is clamped in the clamping groove. A plurality of notches are evenly distributed in the plastic sheet in the circumferential direction of the plastic sheet and extend from the inner circumference of the plastic sheet to the outer circumference of the plastic sheet in the radial direction. The number of the plastic sheets is two or more than two, and the notches of every two adjacent plastic sheets are staggered and do not coincide with each other. The utility model further discloses a lamp tube cleaning device using the lamp tube cleaner. According to the utility model, the structural form of the brush