The utility model discloses a cigarette surface lampblack stain detection device, and relates to the technical field of cigarette equipment. According to the device, a cigarette detection cavity for cigarettes to pass through is formed by a cigarette guide plate connected with a cigarette conveying channel frame; the color code sensor is used for detecting yellow oil stains on the surface of a cigarette, brown yellow tobacco shreds leaked after cigarette paper is scratched and the like, once stains are found, the cigarette can be removed through an existing removing device of the packaging machine, the detection efficiency can be greatly improved, and the product quality is guaranteed.