Abstract: The present invention relates to a cigar cutter with a safety device which comprises a casing and a blade. The casing has a through hole in the middle. The blade is connected to a grip, which is disposed outside the casing. It also comprises a movable ring, one end of which is connected to near the middle part of the casing, and which can rotate at least 180°. The casing and the grip have a groove along their peripherals. The shape and size of the groove correspond to the shape and thickness of the movable ring, the shape and size of which correspond to and can fit onto the casing and the grip. This invention is of simple construction and is safe and reliable, convenient to use and portable and it meets the market demands.