Detachable cigarette filter

The utility model relates to the technical field of cigarettes, in particular to a detachable cigarette filter. The detachable cigarette filter is characterized in that a rotating adjustment device is arranged in a connecting cylinder; the rotating adjustment device comprises a fixing mechanism fixed in the connecting cylinder, and a rotating mechanism; open holes are formed in the fixing mechanism; the rotating mechanism is arranged on one side of the fixing mechanism and can shield the open holes; a mouthpiece is detachably connected with the connecting cylinder, and is made of an elastic material; and the upper part of the mouthpiece is arranged in the lower part of the connecting cylinder in an inserting manner, and connected with the connecting cylinder in a clamping manner. The opening quantity and the opening area of the open holes can be adjusted by rotating the rotating mechanism, so that dilution of main stream smoke is achieved; based on the same cigarette, a consumer can adjust a taste of the cigarette according to personal preference, voluntarily selects the strength of smoke and obtains strong sensory stimulation or light smoke via rotation of the rotating mechanism and the quantity of the open holes; and the mouthpiece is detachably connected with the connecting cylinder, so that the filter can be recycled and is very environment-friendly.